Compare OutboundSMTP vs. Postfix

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.

EasyDMARC is a cloud-based DMARC solution for securing domains and email infrastructure, protecting organizations against phishing attacks, and more: Brand Protection Our email protection SaaS platform stops hackers from sending phishing emails to customers from company names, gaining access to accounts, and stealing personal information. Increased Email Deliverability EasyDMARC informs receiving mail servers that emails are legitimate and authentic, ensuring they’re delivered to the inbox instead of blocked or sent to spam. Visibility Into Cyber Threats EasyDMARC helps to successfully monitor every aspect of your email authentication and enforce effective protection from phishing attacks thanks to its advanced reporting capability. Business Email Compromise (BEC) Protection Most people have seen emails pretending to be from the CEO, CFO, or another executive in their organization. EasyDMARC prevents business email compromise and keeps your company reputation on the highest level․ EasyDMARC’s deliverability tool, EasySender, covers all the aspects of email deliverability. The variety of features on the platform cover email list verification, mailbox warmup, and inbox placement.

SpamTitan email security protects businesses, schools, smbs and MSPs from spam. SpamTitan email security protects against spam, phishing, day-zero attacks and viruses, malware, ransomware and other threats to email. It helps to control mail flow, clean it, protect against spam, and protect against unwanted email. We offer easy-to-use, yet powerful email security for businesses, smbs, and MSPs that is Office365-friendly. SpamTitan Email Security is available for a free, fully supported trial. SpamTitan – Premium functionality included * CEO Impersonation protection * Spearphishing Protection/ Phishing * Link analysis * Full Sanding * Zero Day Attacks protection * Mail Spooling * Spoofing protection * Ransomware and Malware Protection * SPF/DKIM/DMARC checking * Encryption * Fully multi-tenant environment * Ability to rebrand entire UI * Full REST API * Set up documents and support SpamTitan Email Security is the best solution in the G2 Crowd Email Security. Start your free trial today!

PowerDMARC is a robust email security solution that safeguards your brand reputation and email communications from threats like spoofing, phishing, and ransomware. By leveraging advanced technologies such as DMARC, SPF, DKIM, BIMI, MTA-STS, and TLS-RPT, PowerDMARC empowers you to protect your email infrastructure. With a user-friendly platform, PowerDMARC simplifies complex configurations, enabling you to easily manage and monitor your email security posture. AI-powered threat intelligence provides valuable insights to proactively identify and mitigate emerging threats. Trusted by over 2000 organizations globally, including Fortune 100 companies and governments, PowerDMARC is your trusted partner in securing your email infrastructure.

PostScan Mail is a virtual mailbox service that provides individuals and businesses with a convenient and secure way to manage their postal mail online. With PostScan Mail, users can access their physical mail from anywhere in the world through their digital devices. The service allows users to view and manage their mail, receive notifications of new mail items, forward mail to any address, scan and shred unwanted mail, and even deposit checks remotely. PostScan Mail eliminates the need for physical mailboxes and offers a practical solution for people who are always on the go or live in multiple locations. It is a modern and efficient way to manage your postal mail, making your life easier and more streamlined.

Simply Voting is a web-based voting system that will help you manage your elections easily and securely. Whether you are running one election a year or several elections, the streamlined and easy-to-use interface will help you get your elections live quickly. If you encounter any questions along the way, support is offered via email and over-the-phone at no extra charge, to ensure you can always speak with a real expert. Simply Voting is also one of the only vendors to truly offer emergency support -- our staff are standing by 24/7 in case of urgent support requests as well. Our staff is always on the spot and at your side. If you desire to be fully hands off from the election process, Simply Voting offers a managed election as an added service. With a managed election, Simply Voting staff will manage the election and elector set up, sending email blasts, reporting on mid-election turnout, and reporting on post-election results.

As a global IaaS solutions provider, phoenixNAP helps organizations of different sizes meet their IT performance, security, and scalability needs. Delivered from strategic edge locations in the U.S., Europe, Asia-Pacific, and Latin America, phoenixNAP's solutions are globally available, enabling businesses reach their target locales. Its colocation, HaaS, private and hybrid cloud, backup, disaster recovery, and security services are available on an opex-friendly model, providing flexibility and cost-efficiency. Based on world-class technologies, they provide redundancy, security, and advanced connectivity. Companies of all verticals and sizes can leverage phoenixNAP infrastructure for their evolving IT requirements at any stage of growth.

Since 2008, Ideals has revolutionized the virtual data room market by offering a seamless experience with transparent pricing, an intuitive interface, and rapid customer support. These elements have contributed to Ideals becoming the fastest-growing VDR provider, trusted by 1 million users worldwide, including investment bankers, advisors, real estate professionals, and public institutions.

CallHub is a trusted campaigning platform that will revolutionize your outreach, canvassing, mobilizing, and marketing campaigns. We offer calling, texting, and email solutions for political campaigns, advocacy groups, nonprofits, and businesses of all sizes. But CallHub is more than a software solution. We understand your needs for data security, high contact rates, automation, reliability, and compliance. CallHub is designed with these parameters in focus. Try us out today!