Alternatives to Postmark

Partner with the email service trusted by developers and marketers for time-savings, scalability, and delivery expertise. The Twilio SendGrid Email API and proprietary Mail Transfer Agent (MTA), intuitive console, powerful features, and email experts make it easy to ensure all your email gets delivered in seconds and without interruption. Whether you’re sending 100 emails or 100 billion, SendGrid is built to scale, while maximizing inbox placement and protecting your reputation as a trusted sender. Monitor engagement data and optimize deliverability with our Deliverability Insights dashboard. Integrate with our RESTful APIs and SMTP in minutes, with sample code libraries available in 7 languages, interactive docs, templates, and more.

Critical Impact allows you to amplify and facilitate your email marketing strategies. Our platform allows you to efficiently monitor your email and messaging portfolio, send edited and scheduled emails and text messages (SMS) for your advertising efforts with an affordable pricing structure. Our subscriber assessment technique digs deep into your data to quickly find the subscribers who are most likely to read your next email, receive more emails, or make an additional purchase. With our user-friendly interface, you can schedule the forwarding of your communications in seconds. Choose your sending options on a single page, then avoid errors by viewing the configuration of all your submission details. Even rate your email on display, from phone, tablet to monitor.

Reliable SMTP relay services and email delivery services. You can send and track large volumes of emails with ease using powerful email delivery services. In minutes, integrate and you can start sending. All your email delivery, transactional and email relay needs are covered under one roof. SMTP can deliver whether you need a reliable backend solution or scalable infrastructure to handle large volumes of emails. Reputation Defender, SMTP's proprietary technology, uses big data to proactively monitor and protect your email list health. It also suppresses bad emails from soft and hard bounces in order to protect your IP reputation and domain. This will ensure that your delivery rates and inbox placement gradually improve over time.

Routee is an intelligent omnichannel communication platform. (CPaaS), Routee offers advanced Web and API automation for all industry sectors. Routee's services are powered by AMD Telecom's strong infrastructure. They enable businesses to optimize marketing and business processes. -SMS Marketing: Custom-made messages based upon customers' individual preferences -Email Marketing: personalized newsletters and email campaigns based upon audience behavioral data -Transactional email: automated emails to customers regarding important data about their transactions -Marketing Automation: Rich forms & customer data capture. Automate repetitive marketing tasks and track marketing campaigns. -Two factor authentication: A second layer of security that includes fallback via SMS, Voice, Viber, and Missed Call -Cloud IVR: Multilingual capabilities, including the ability to convert speech into text and text to human-sounding text -Push Notifications: personalized web and mobile push notifications based on segmentation.

ClickSend offers SMS, MMS, Voice, Online Mail, Email and Fax software for businesses. Our communications and messaging tools are simple to use, automate and integrate. That’s why they’re used by some of the most trusted brands, organisations and developers globally. Built for all, you can access ClickSend via our Dashboard, mobile app, flexible API or 900+ integrations. Plus, ClickSend offers helpful 24/7 support, and lightning fast delivery via a secure and reliable platform. From SMS marketing and alerts to bulk mailouts sent from your browser, join over 90,000+ businesses sending communications around the world. Our 100% uptime guarantee and lightning fast direct routes provide reliable messaging, no matter the channel. From small businesses to enterprise, ClickSend powers billions of messages around the world with 232+ direct carrier connections. Plus, ClickSend is always pay-as-you-go. That’s why ClickSend is business communications, solved.

Our mission is to empower customers by providing an easy email communication platform that delivers cost-effectively and without any barriers. Mailazy offers fast email delivery, high deliverability and customer support at affordable prices. Our global cloud infrastructures eliminate the email delivery problems that can arise from large-scale email sending. Access a wide range key metrics to improve your email performance. Receive real-time notifications about events. Simply set up your endpoints and select the events that you want to track. Then, receive an automated response. Mailazy's email API was specifically designed for developers. It allows you to integrate and send emails quickly.

Kingmailer is a simple, yet powerful mail server / SMSTP service that anyone can use, not just developers. Think Sendgrid or Mailgun, but it's simple to use, cheap, and delivers 98% of your mail inbox. Just a few clicks and you can start sending, receiving, or routing your email messages. Kingmailer is for those who want a simple mail server /SMTP service that is not overloaded with options. Our SMTP service is used to send, receive, and route thousands of emails every day.

Mailgun is an email automation tool that is suitable to developers. Mailgun allows users to access a cloud-based email service that can track, send, and receive emails via their websites and applications. Mailgun supports many programming languages, including Python, Ruby and PHP. Mailgun's tracking feature allows users to track all emails and reduce spam.

MailerSend is a transactional messaging service designed for developers to work faster and smarter. Intuitively designed so anyone can contribute to transactional email and SMS, while powerful infrastructure and flexible payment plans let you scale quickly. Built by deliverability experts to ensure your messages get delivered, plus dedicated IPs available for high-volume senders.

For the most reliable email delivery experience, choose the best email API or the best SMTP. Pepipost offers a robust transactional email delivery infrastructure with AI-powered inboxing that is reliable, scalable and secure. It also offers the most affordable pricing plans. We help brands engage with customers at the right time with the right content, over email.

Use the built-in capabilities of your mail servers and your visitors' browsers to quickly identify, resolve, and fix connectivity, security, and content issues with your domain. URIports is a powerful unified tool that monitors web and mail server security, configuration, and security. URIports is a result of decades of experience in online coding and monitoring. Once the system is set up, we receive reports from visitors' browsers and mail server. All these reports are processed and provided insight by us. Get real-time, clear insights into your website's performance. Monitor violations, network issues, certificate issues, deprecated codes, and many other things! To protect yourself from spam, fraud and phishing, monitor your SPF/DKIM alignment.

Brevo (formerly Sendinblue), the platform that helps build customer relationships through Email, SMS, Chat and more. The complete toolkit for converting one-time browsers to long-term customers. Beautifully designed email campaigns allow you to connect with contacts in their inbox. Send targeted messages to your customers. Brevo helps businesses build and grow relationships by automating marketing campaigns, transactional email and SMS messages. What makes Brevo different? Brevo is powered our world-class team of customer happiness experts and we offer pricing that will make you smile. Our platform offers a comprehensive suite of services in a single, easy-to-use solution. Happy Sending!

Transactional emails: Reach your inbox when it matters most Send personalized, fast transactional emails via API or SMTP. Enjoy the benefits of our global experience sending billions upon billions of emails. Personalized transactional emails are sent to inboxes and not to spam folders. You can customize your analytics with pre-built dashboards and an export API. For assistance, consult our award-winning Support team or read the documentation guides. Use custom tagging and whitelabeling to create conditional content. Globally distributed infrastructure: Automatic SPAM loop registration and prewarmed dedicated IPs. Analytics can be accessed in many ways, including custom tags, A/B testing capabilities and comparative reports. White-labeled click tracking, custom reverse DNS and rules engine are available. Custom return path is also available. This is the average delivery time for top 3 ISPs. It was sent from our MTAs and to the recipient's mail server.

TurboSMTP understands that email is not just a means of communication but the backbone of your customer engagement strategy. TurboSMTP Email API is trusted by developers and marketers alike for its time-saving features, scalability, and delivery expertise. Our service offers a flexible SMTP relay solution along with advanced features tailored to meet the needs of businesses of all sizes. With our intuitive dashboard, powerful features, and dedicated support, ensuring the delivery of your emails is seamless and uninterrupted. TurboSMTP's infrastructure is built to scale, whether you're sending a few hundred emails or millions. Integration with our service is effortless, with sample code libraries available in multiple languages, interactive documentation, and customizable templates. TurboSMTP offers webhook integrations and automates actions based on email events, streamlining your workflow. Plus, our email validation tools ensure list accuracy, reducing bounce rates and improving deliverability. TurboSMTP not only prioritizes the reliability and efficiency of email delivery but also understands the importance of providing exceptional support to our valued customers. That's why we offer multilingual 24/7 support.

Amazon Simple Email Service (SES), a cost-effective, flexible and scalable email service, allows developers to send mail from any application. Amazon SES can be configured quickly to support multiple email use cases including marketing, transactional, and mass mail communications. Amazon SES's flexibility in IP deployment and email authentication options allow for greater deliverability and protect sender reputation. Additionally, sending analytics measure the impact of each individual email. Amazon SES allows you to send secure, global, and scaled email. You can easily configure email sending using either the Amazon SES console or APIs. Amazon SES also supports email receipt, which allows you to interact with customers at scale. Amazon SES is a subscription service that allows you to pay only for what you use, regardless of the use case or volume of your messages.

-- The email engine you can build on -- We're everything that happens under the hood of your email communications. Reliable Email API with endless capabilities & features ready for integration. Flowmailer's Email Engine provides all the tools you need to build a professional email strategy. From marketing to customer support, from account management to warehousing, every email sent is valuable. Flowmailer is built for continuous high-performance, no matter the emails you're sending. Take away the difficulties of email delivery and focus on creating meaningful email communications with your customers. Email Delivery | SMTP & API | Infrastructure | Transactional Email

Bird (formerly MessageBird), the next-generation CRM, is a powerful tool for marketing, sales, and payments. It powers over 5 trillion messages per year across Email, WhatsApp, and SMS. Bird helps leading brands grow more cost-efficiently through personalized interactions via Email, SMS, or WhatsApp. Bird's APIs and applications are used by the most innovative companies in the world to build communication solutions. Start today and communicate with your customers on any channel, for any purpose, anywhere in the globe. Marketing messages, push notification, order updates, shipping alerts, and more. Operational bottlenecks limiting your growth? Automated conversations and workflows can be used to collect critical information, reduce manual tasks, implement Self-Service flows, and route chats directly to the right agent. Our auto-scaling, reliable APIs are available with comprehensive documentation, complete API references, and intuitive SDKs.

Miogmail, an SMTP relay service, is the best way to get started with sending transactional and marketing emails. Send emails according to a specific action or send a series of bulk email continuously. Drag-drop editor allows you to create your own email templates or you can use a premade responsive template. Secure email infrastructure integration with SSL and DKIM is a priority. Advanced management tools and a dedicated IP address will increase your email delivery. Professional-looking personalized transactional, promo and newsletter emails. Utilize transactional/promotional SMTP or SMTP API to send bulk email.

Email solution for fast-moving teams. We understand how difficult it can be to find an affordable, reliable email service. Mailjet is the ideal solution for you. Our advanced features will help you grow your company at a very affordable price. Passport, our email editor, allows you to create beautiful responsive emails in just a few mouse clicks. You can choose from a variety of templates, or create your own design. Mailjet's Collaboration Toolkit allows you to collaborate on the same campaign or email template in real-time to improve your team's efficiency. You can drastically reduce the feedback cycle by using commenting and approval workflow features to speed up. To send the right content to the right customers, personalize each email by segmenting your contact list and collecting customer data. It's easy for each recipient to feel special. You can optimize the performance of your campaign by integrating real-time statistics with every sending.

Important information is contained in transactional emails. ZeptoMail is a reliable, secure service that delivers all of these important emails immediately. ZeptoMail makes it easy to keep your customers happy with its fast delivery and excellent inbox placement. Transactional emails are unique emails that can be triggered by a user action. Your customers expect these emails to arrive in their inbox within seconds of the trigger event. Choose the right delivery service to keep your customers satisfied. Your customers will no longer need to refresh their inbox for password reset emails or email verification codes. Email delivery is dependent on the reputation of the sender IP. ZeptoMail was created to address the challenges of sending transactional email. Delivery is excellent. It is important to deliver the correct folder. ZeptoMail supports industry standard authentication mechanisms like DKIM and SPF.

EmailLabs is a cloud-based email API and SMTP service designed to send transactional and marketing emails. The unique know-how and partnership between well-know Inbox Service Providers ensure all emails sent from our servers being tailored to the requirements of foreign providers like: Gmail, Yahoo or Hotmail as well as local ISPs such as WP.pl, Onet.pl, Seznam.cz, Web.de, Seznam.cz or Libero.it. We take care of overall deliverability to make sure your messages land in customers’ inboxes, promotions or Offers tab. EmailLabs platform can be easily integrated with any email system or application that allows you to add a third party SMTP server. The whole setup process takes only 5 minutes.

PostageApp is an Email Service Provider, (ESP) that offers a simple and straightforward approach. Our simple email service can be set up in minutes. We don't compromise on deliverability best practices such as DKIM, SPF and rigid RFC compliance. We offer startup-friendly plans to get your MVP off to the ground. Our Dedicated IP plans allow your app to grow and allows you to take control of your reputation, ensuring maximum throughput. Our developer-focused tools and support will get you started quickly. Our in-house deliverability specialists actively monitor and work with your inboxes to hit inboxes. Our reporting, tracking, and analytics provide insight into the success of your campaign.

Multi-channel marketing automation platform that allows marketers to create personalized promotional campaigns. You can choose from SMS, email, or web push notification. Or you can combine multiple channels into one campaign to create a complex message sequence. The platform offers all the tools necessary to automate email marketing. You can also create subscription forms and grow your mailing list. Drag and drop is intuitive and allows users to create mobile-friendly email templates. Or, they can choose from a large gallery of predesigned templates. The company also offers a transactional email service, which allows users to send up 12000 emails for free via SMTP and API. SendPulse offers its own chatbot creator. You can create a Telegram chatbot or a Facebook Messenger chatbot to send personalized messages or as an autoresponder.

Elastic Email is used by thousands of companies. A powerful Email Marketing platform built on the most cost-effective Email Protocol. Scalability, reliability, and deliverability are important. Connect to our HTTP API or SMTP relay to send your email. You can also scale up to 100+ million emails per monthly on our global infrastructure. Every campaign you send will help you build better relationships with your recipients. Elastic Email offers all the marketing tools that you need to make your contacts feel connected. It is important to deliver on time, be reliable, and scale up. Our global infrastructure is ultra-fast and allows you to connect and send email easily via our HTTP API and SMTP relay. You can also scale up to 100+ million messages per month.

Email Marketing Services allow your business to contact the customer whenever it pleases. Although not all emails need to be sales pitches, every contact with the customer must provide value. If you're looking for a Transactional SMTP Service, you likely have an application that sends either transactional or marketing messages and are looking for a host to relay these messages. The world's best workflow builder allows you to create fully automated campaigns. You can apply tags, trigger campaigns and branch with if/then logic.

SocketLabs, an email delivery engine that is reliable and easy to use, allows companies of all sizes to send transactional and marketing emails quickly and easily. Trusted by major organizations like Virgin and the American Red Cross SocketLabs offers a feature-rich outgoing email server delivery solution, an easy to use dashboard interface, and an even simpler setup. It also includes advanced analytics, outgoing mail servers, and top-notch customer support.

Sweego is a multichannel notifications SAAS platform. Developers can send transactional, engagement, and CRM messages via various channels, including email, SMS, push notifications, and more. The platform offers APIs, webhook and web interface for building template, follow statistics. With Sweego'API, Developers can integrate notifications and messaging capabilities into their applications. Key features include message templates, email authentication, webhooks, sandbox testing, delivrability expertise for emails, scalability, detailed logs, comprehensive statistics...

SendPost replaces manual hacks, messy workarounds and daily frustrations associated with your email API/SMTP provider. If you send a few thousand emails, most email API solutions will work well. You will choose one based on its price, features, or support. If you are a big sender, sending millions of emails each month, the real problem is here. This is when managing multiple domains, IP-Pols, and IP/Domain reputation becomes a major headache. Even a small drop in your email open rate, or delivery, can have a significant impact on your revenue. You need a solution that helps you identify the problem and provides quick solutions. You don't want spend hours looking through logs to determine if your domain, IP or sending reputation are low.

SMTP2GO is a reliable outgoing email service that allows you to track and send all emails securely and easily. SMTP2GO has a redundant, multi-data center infrastructure that allows users send emails even during an internet outage. SMTP2GO features include real-time analytics and bounce/spam tracking, weekly summaries spamtrap detection, blacklist monitor, DKIM/SPF and many other features.

We are a group of engineers who enjoy building tools for other developers. Our goal is to build the email platform that we've always wanted -- one that works. Receive real-time notifications straight to your server. Each time an email is opened, delivered, bounced or a link clicked. Our API allows you to experiment and simulate events without the risk of accidentally sending emails to real people. Simulate events and test our API without risking accidentally sending real emails. Rely on a platform with reputable IPs that are used by trusted senders who have distributed workloads over different IP pools. Get a fully-managed dedicated IP that autoscales and warms up based on the volume of your sending, without any waiting period. Get a fully-managed dedicated IP that warms up and autoscales according to your sending volume.

We deliver your emails in seconds. Customers don't have to wait for emails. We can deliver your emails in seconds. We do all the work to get your emails in your recipients' inbox so that you can concentrate on delighting more customers and growing your company. Transactional emails such as order receipts, password resets, confirmation links, and email verification links must be sent immediately. They are our top priority. To ensure this, we have separated our sending infrastructure. You can be sure that your most important emails won't be affected by any of your email marketing campaigns if you use a transactional account. Your sender reputation is crucial for email delivery and should be your top concern. We will work with you to improve your sender reputation score, and keep it high.

Authkey.io stands as an exceptional Enterprise Omni Channel API platform, offering an extensive suite of communication tools and APIs meticulously designed to empower businesses in their quest for efficient and secure customer engagement. SMS API:A seamless communication symphony with its event-based messaging prowess. This facet encompasses the seamless orchestration of Bulk SMS delivery, transactional messages, one-time passwords (OTP), and the authentication process through call-based interfaces. Voice API: This dynamic capability ensures the delivery of OTPs through vocal messages, providing an alternative avenue that ensures the recipient's prompt access. Email API: Reliable and rapid delivery of emails, serving critical functions such as password verification, account creation, OTP distribution, and email validation. WhatsApp Business API: The contemporary business landscape requires a direct conduit to reach the massive audience on the WhatsApp API facilitate this engagement, enabling businesses to establish a direct line of communication with their audience. Two-Factor Authentication (2FA) API: Seamlessly dispatching OTPs, verifying logins, and bolstering the security architecture of business software, CRM systems.

DKIM Signing improves inbox placement for mailbox providers such as Gmail, Office365, and Office365. For increased reliability, multiple servers can be used in the USA and Europe. No more managing your own email server or IP reputation. No prior experience is required to create SPF or DKIM records for domain names. Our SMTP relay service can help you if your IP is blacklisted. Technical support is available 24x7 via chat, email, or phone. We will ensure that your mail is delivered. We will be able to deliver your mail promptly to your inbox. To ensure the best service, we optimize our sending routes and closely monitor IP reputations. We have a Zero Spam Policy which allows us to block or limit messages that could damage our reliability or affect the reputation of our customers. After you have verified domain ownership via DNS, you can send unlimited numbers of "From" addresses and domains.

Send and analyze email marketing campaigns. Start your free plan and send unlimited emails. Unlimited email sending for a lifetime Send targeted, scripted and effective email marketing campaigns. Our infrastructure can help you get high inbox rates. Starting from a simple welcome message to a complex set of customer-loyalty-increasing applications, you can automate many programs. It is now easier to create, track, and apply new campaigns. This allows you to focus on the analysis of the results and improve your future campaigns. Interactive reports give you valuable insight into every campaign you send. You can easily monitor the progress of your campaigns and have complete control. INBOX email marketing allows you to track unique and total open rates as well as click-through and bounce rates.

We help you send real emails to real addresses so that you get real results. We help you send emails to real people, with fewer bouncebacks and more valuable contacts. This will result in a higher ROI and a better digital reputation. Verify the format and verify that the MX record exists for the domain. Correct any misspelled email addresses. Integrate easily with your website or app. You have complete control over your credit purchases, including volume discounts, no monthly fees, unlimited credit purchasing power, unlimited credit buying power, and credits that will never expire. Integrates with most popular services such as Google Sheets, Salesforce and Mailchimp. With just a few clicks, you can pull your email list from the web and validate it. It's so easy! Email addresses submitted to validate our service via API or website are not stored nor collected. In just a few minutes, you can get up and running with the sift.emailapi

YCloud is an all-in one solution that offers best-in class features at highly competitive pricing. Provide critical communications infrastructure to support businesses' growth and expansion. Web-based solution for scheduling messages with ease and freedom. No code required to create personalized marketing campaigns that grab attention and delight customers. No code required. Connect with thousands of apps to automate and save time. Two-way messaging is supported. A continuous connection with SMSC is maintained. Multiple session connectivity and greater throughput are guaranteed. Multi-factor authentication via SMS voice, WhatsApp, email, and WhatsApp. Keep your data safe and prevent revenue leakage, data breaches, fraud and other threats. Two-way messaging is supported. SMSC can maintain a continuous connection. This will guarantee multiple session connectivity and greater throughput. To automate your work, connect with thousands of apps and have more time to do what is most important.

SendX is an intuitive, affordable and feature-rich email marketing software for marketers and business owners. SendX prides its self on providing marketers with the most intuitive UIs in industry. SendX offers unlimited email sends with all plans, powerful automation capabilities and 24x7 live support. They also offer the best email delivery. SendX is trusted by more than 3000 companies around the world for their Email Marketing. Pricing: Start with a 14-day free trial (no need to have a credit card). Pricing starting at $9.99/month Key Features & Benefits: Send Unlimited Email Campaigns - Create Your Email List using forms and pop-ups - Powerful Automation Software - Drag and Drop Email Editor (no programming required) - Best of Breed Email Deliveryability (get your emails delivered to the primary inbox). - Free Migration Service: We will migrate your email marketing accounts from any ESP to you for no charge 14-day Free Trial (no credit card needed, instant setup).

Pigeonmails' domain management software includes DKIM and SPF. This allows you to control your domain and reduces the chance of spoofing. Our process and software were very easy. Register now for a free account. Follow these simple steps to send emails to your customers. Your customers can be addressed by their names. You can also include any information about them in your emails. You can personalize your emails with our flexible templates. We offer CREDITS BASED PLANS as Pigeonmails is the most trusted email service provider. Our Credit Based Package offers a guaranteed delivery rate of up to 100% and unbeatable low rates. Our promotional email service - This is the best fit for OPT/double OPT/Verified Email Database sending repeated newsletters or emails to the same email list. Our transactional email service is best suited for sending automated messages in response to subscriber actions. Transactional emails include confirmations of subscription, booking confirmations, order updates, and notifications.

PowerMTA is an enterprise-grade email messaging transfer agent (MTA), software that sends high-volume, business-critical email messages. PowerMTA can run on your own server, or in any public cloud like Amazon Web Services or Microsoft Azure. PowerMTA offers unrivaled reliability and powerful analytics. You have complete control over your email sending. With a simple setup, minimal hardware footprint and robust analytics, PowerMTA can improve performance, deliverability, team efficiency, and team productivity. PowerMTA with Signals is available today starting at $8,000/year. SparkPost Signals is a part of PowerMTA and provides a comprehensive view of your email sending. Analyze per domain, per-campaign and even per recipient performance to optimize your email sending and prevent future problems. PowerMTA delivers unmatched performance and delivery in a stable SMTP environment. Send high-speed messages with complete control

Get the best Email Marketing at an affordable price. To improve your sender reputation and prevent blacklisting of IP addresses due to actions taken by others, use a dedicated IP address. Use the cryptographic signatures SPF or DKIM to show that the message is from your company and domain. This will help reduce spam messages. Our SMTP servers send you emails via secure SSL connection. Moreover, it's lightning fast. You can view the total number of messages sent, the conversions made, and the links clicked for each mailing list. Our SMTP service generates sending and delivery error reports. All reports can be downloaded directly to your computer. Even if the recipient is on a mailing list, your mailings will not be sent to them. Your emails should be delivered to the inbox, not the spam folder.

Capture SMTP traffic in staging and dev environments. Flexible API allows you to automate test scenarios and flow. Validate HTML/CSS and analyze email content for spam scores. Each Mailtrap account comes equipped with a unique testing environment. It takes just a few steps to integrate it with your app. You can create individual inboxes to support different environments, review servers, and then group them into the appropriate projects. Our API is easy to use and allows you to quickly set up automated testing using unlimited API calls. View messages, check spam scores and validate headers. You can also analyze the HTML support across all email clients. Access your inboxes to clients or colleagues. Send selected test email to whitelisted recipients. Mailtrap can be sent directly from your CRM or email send service. Simulate sending emails to multiple recipients.

To use our service, you will need to modify your domain name system records (DNS). Upon registration, we provide you with SMTP connectivity for your mass email client and an online sending platform. We are responsible for maintaining and checking the servers to ensure that you receive 98% delivery. Please ensure that recipients keep their lists clean. We offer reliable and flexible SMTP servers that are able to adapt to all situations. There are two main types of email delivery process. There are two main types of email delivery: transactional emails and mass emails. Although we encourage you to use our service to send mass emails, transactional emails can also be sent. We will adjust the settings based on the purpose. We care about email deliverability. We regularly test and monitor the performance of email marketing campaigns.

Cloud-based email hosting that is reliable with spam filtering, antivirus protection and large storage. Compatible with Outlook and all other POP3/IMAP clients. Responsible senders can use high volume SMTP services. Outbound relay service for transactional mail, email marketing campaigns, newsletters, and other applications. High volume senders will benefit from dedicated email servers, clustering, and multiple IP load balancing. Fixed monthly cost with unlimited sending, reputation monitoring. Greatmail is an email service provider (ESP), specializing in business-class email hosting, SMTP hosting, and email servers. We also offer custom solutions for ISPs, cloud developers, and application programmers. These include dedicated IP servers and load balanced configurations with multiple servers.

AWS Communication Developer Services are cloud-based SDKs and APIs that allow developers to add communication capabilities to apps or websites using minimal coding. Send marketing and promotional messages with segmented messaging and top email deliverability. Scalable video technology can be used to build your website or application. This technology is useful for telehealth, education, field support and more. Build an IVR that supports touch-tone, conversational voice bots, text-to-speech, and more. Automated workflows and event-triggered messaging across channels allow you to send messages at the perfect time. Segmented lists can be used to determine who received messages.

You can send unlimited email traffic to anyone you like. The mail server works regardless if you are using a desktop computer at home, a tablet, a smartphone or a laptop while on the go. Avoid blacklistings, and don't forget maintenance, updates, and other hindrances. Your email campaigns are sent to the entire globe via our stable SMTP cloud servers. You can send email from your own domain and IP number if you choose a dedicated SMTP server. This allows you to control the reputation of any email you send. Mailwizz is a professional email management system that allows you to manage email lists and create high-quality email content. Mailwizz is a professional email management system that can handle large numbers of emails. There are no products on the market that can replace email as the primary route to the recipient's attention. Email is the best option for marketing.

Your transactional emails will be delivered immediately and guaranteed. TransMail transactional emails contain important information. TransMail is a reliable, secure service that delivers transactional emails immediately. TransMail makes it easy to keep your customers happy with its speedy delivery and excellent inbox placement. Transactional emails are emails that are unique and are usually triggered by a user action. Your customers expect these emails to arrive in their inbox within seconds of the trigger event. Choose the right delivery service to keep your customers satisfied. Your customers will no longer need to refresh their inbox to check their email verification codes or password reset emails. Email delivery is dependent on the reputation of the sender IP. TransMail was created to address the challenges of sending transactional email.

We are a global leader in information logistics and drive communication for companies around the world. We provide excellent service and intelligent infrastructures. Your business will run more efficiently if your information flows faster and more securely. Are you ready to Retarus? A successful business relies on efficient and secure communication to facilitate their digitalized and automated workflows. Fast delivery of transactional emails is essential in the customer journey. This includes order confirmations, newsletters, password resets, and status notifications. Retarus allows you to reach 99% of all mobile network providers. This means that almost everyone on the planet can access Retarus. It works quickly and reliably. Learn how enterprise SMS services can make customer conversations more profitable. You can send your personalized content securely, even to large distribution lists. It's easy to communicate via email, fax, or SMS with a standard and intuitive platform. Communicate directly through your web browser.

EmailSuccess provides high volume email sending with enterprise-level SMTP Servers. EmailSuccess can be used as a Mail Transfer Agent (MTA) for all sizes of senders: ESPs and Marketing Automation Companies. High Performance EmailSuccess, an MTA, is designed to deliver large volumes of email. It gives the business full control over the Speed, Latency and Deliverability parameters. Deliverability Clients must be able to deliver their messages quickly. You must ensure that your email is not blocked by spam filters and lands in your inbox. Advanced Sending Intelligence Optimized delivery through automatic and real-time tuning of email delivery parameters; platform tuning is made easy.

Deliver emails on time to both the business and public mailboxes of recipients. Monitoring the IP and domain of an organization's email senders in real-time allows you to monitor their reputation. You can send transactional emails within minutes with the API. With the cloud API and webhook, you can process inbound emails, track opens & clicks, and handle bounce efficiently. Aritic Mail delivers transactional email to your customers quickly and on-time. Aritic Mail delivers transactional emails immediately with zero lag in email delivery speed or inbox placement. Email delivery is made possible by Aritic Mail's cloud-based email server. It also provides constant email delivery monitoring. Aritic Mail API is compatible with almost any programming language. Manage your email reputation and send all emails to your Organization through Aritic Mail Api.

Postmastery offers professional email monitoring beyond the simple click & open statistics. Postmastery's Delivery Analytics platform processes SMTP data from both on-premises and SMTP providers. It can read data from Microsoft SNDS, Return Path Score, and relevant blacklists. Users can access real-time dashboards and get automatic alerts. Email marketing is plagued by high bounce rates, slow delivery times, junk folders, and blacklisting. These issues can negatively impact your business. They can negatively impact your reputation so it's important to avoid them. Postmastery provides a baseline for improvement, and conducts an email delivery assessment. Our specialists can also provide support at the infrastructure level if necessary. Postmastery will manage your delivery monitoring so you can focus on your core business. Our 'email delivery control center' offers email delivery expertise, tools and support.