Best Communications Software for PostSheet

Use the language you already love to prototype ideas quickly, develop production-ready communications applications, and run serverless applications on one API-powered platform. Twilio is a single fully-programmable platform with flexible APIs for any channel, built-in intelligence, and global infrastructure to support you at scale. Quickly integrate powerful APIs to start building solutions for SMS and WhatsApp messaging, voice, video, and email. Browse documentation and SDKs in multiple coding languages, including Ruby, Python, PHP, Node.js, java, and C#, or jumpstart your first project with our open source code templates to quickly build production-ready communications apps. Consult our community of over 9 million developers for guidance and inspiration on your next project. Sign up and start building today.

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.

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.

Gmail allows you to do more with your email. Gmail is now more secure, smarter, and easier to use. This will allow you to save time and do more with the inbox. You can see what's new and decide what you want. You will receive nudges reminding you to respond to messages and follow up on them. You can view attachments, RSVP for events, snooze messages, and much more without opening emails. Gmail blocks 99.9% dangerous emails before they reach your inbox. You'll be notified if we suspect that something is phishy.

Connect. Organize. Get things done. All your email, calendar, contacts, and tasks in one place. You can manage your email, calendar, contacts and tasks efficiently from one place. Office integration allows you to share attachments directly from OneDrive, access contacts, view LinkedIn profiles, and view LinkedIn profiles. You can book conference rooms and track RSVPs right from your calendar. You can share your calendars to coordinate and plan and see when your coworkers will be available. You can rest assured with enterprise-grade security that is trusted by the world's most important companies. Outlook protects your confidential information around the clock, and doesn't get in your way. Outlook anticipates your needs. Outlook automatically adds travel and bill payments to your calendar. Intelligent reminders help you stay on track. Search makes it easy to find the information you need quickly.

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.

Reliable delivery of your application emails. ActiveCampaign Postmark delivers your email on time and every time to customers. Customers expect transactional emails to arrive promptly, not later. We monitor our delivery times and share the data with the public. Our knowledgeable support team is always available to assist you, via 1-on-1 calls, webinars or email. Postmark integrates seamlessly into any stack thanks to its API libraries that support almost every programming language.

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.