Greatmail vs. Postfix Comparison Chart

Reliable SMTP relay and email delivery services. Powerful email delivery services that enable you to send and track high volume emails effortlessly. Integrate and start sending in minutes. All your transactional, email relay and email delivery needs under one roof. Whether you need a low-latency email delivery provider for your transactional emails, scalable infrastructure for high-volume sends or reliable backend solution for your marketing campaigns, SMTP is built to deliver. Reputation Defender is SMTP’s proprietary technology that uses big data to proactively monitor your email list health and safeguard your domain and IP reputation among ISPs by suppressing bad emails in your sends from hard and soft bounces. This ensures your delivery rates and inbox placement incrementally gets better over time.

Email is the backbone of your customer engagement. The Twilio SendGrid Email API is the email service trusted by developers and marketers for time-savings, scalability, and delivery expertise. Our flexible 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. Monitor engagement data and optimize deliverability with our Deliverability Insights dashboard. Whether you’re sending 100 emails or 100 billion, SendGrid is built to scale. Integrate with our RESTful APIs and SMTP in minutes, with sample code libraries available in 7 languages, interactive docs, templates, and more.

Fast and easy website hosting, services, and technology solutions with all the essential features a small business or a brand new website needs to be at its best. Complete with 99.99% uptime, free SSL, 1-click WordPress installs, and a free domain for a year. Our high-performance servers sit in highly secured data centers offering maximum uptime, top-notch hack and malware security. Partner with a web hosting company that leads the way with the latest enterprise building tools, technology, and professional expertise to take your business growth to the next level. WordPress can be hosted with any number of web hosting providers. WordPress itself is an open source content management system that can be downloaded directly from WordPress.org. Our WordPress web server hosting can automatically install WordPress onto our web hosting plans. This makes it easier for you to get started building your website. You can learn more about our WordPress website hosting plans.

• Simple website management with our own SPanel control panel - a free cPanel/WHM alternative • Free and effortless migration - we will migrate all your websites and mailboxes at no additional cost and without any downtime • Unconditional anytime money-back guarantee - just to show you how certain we are about the quality of our services • 24/7/365 "Ask anything" expert support you can rely on - get help whenever you need it via live chat (instant) or by ticket (15 min. response time) • We always use the latest hardware to make your websites ultrafast - with All-NVMe storage and the latest Intel Xeon Gold 6444Y processors across all our cloud clusters, you can expect nothing but lightning-fast website performance • Ecommerce-ready Managed Cloud hosting - an all-in-one solution with all the features and capabilities you need to run and grow your business—completely free of charge • Joomla exclusive VPS provider - endorsed by Joomla's founder, Brian Teeman

Critical Impact allows you to enhance and simplify your email marketing campaigns. Our tools let you effectively manage your email and SMS lists, send personalized and automated emails, along with text messages (SMS) for your marketing campaigns all at a competitive price model. Our subscriber scoring algorithms will mine your data to quickly identify those subscribers who are most likely to read your next email, consume additional emails, or make another purchase. With our easy-to-use interface, you can schedule messages to send in minutes. Select your send options all on one page, and then prevent mistakes by seeing a confirmation of all your send details. Even A/B test your email across device screens – from phones to tablets to monitors.

Our tailored hosting solutions are ideal both for ordinary users and businesses that are searching for reliability and high-quality standards. The main goal for us is fast network speed and uptime of our services. To reach this goal we are cooperating with the best data centers around the globe, specifically Tier 2 and Tier 3, so our users have access to dedicated servers in the United States, Canada, the Netherlands, Poland, and over 14 locations across the globe. Most clients choose us because of various payment options, pricing plans, and swift technical support. All our VPS nodes use KVM virtualization and include a 1 Gbps port, while several have 10 Gbps ones. All of our data centers are carrier-neutral, so we have multiple uplinks in each location. As for the server hardware, we offer only modern servers based on Dell, SuperMicro, and HP. For Network part, we use Juniper and Cisco. We are constantly expanding our reach and would be glad to become your long-term partner.

Making business continuity easy through excellence, teamwork, and passion. Achieve perfect load balancing with a flexible Open Source ADC. Effortlessly enhance the security and continuity of your applications with an open-source load balancer that enables you to reduce costs and achieve maximum flexibility in your IT infrastructure. The first project called Zen Load Balancer (ZEVENET) began its public release in October 2010, and we have not stopped refining security, scalability, and high availability technology ever since. Over time, we have built a robust structure for developing SKUDONET into one of the most significant pieces of the market for application delivery. SKUDONET, previously named ZEVENET is an awesome Load Balancer solution with an Open source license, so efficient that other companies forked it. The engineering team is proud to see that others try to copy it, it shows the great work and the great team behind this project.

One of the most accurate email validation services that cleans invalid, temporary & unsafe email addresses. Reoon can verify the most difficult email domains, including Gmail, Yahoo, Microsoft, AOL and Custom Domains with 99% accuracy. With Reoon Email Verifier you can: 1. Verify emails from Gmail, Yahoo, Microsoft, AOL and other domains. 2. Validate email addresses in bulk without sending any emails. 3. Clean up email lists with great accuracy (99%). 4. Detect dynamically changing temporary/disposable addresses. 5. Significantly reduce the bounce rate of email campaigns. Unique things about Reoon Email Verifier: 1. Can detect soft bounces like storage full or account disabled on Gmail etc. 2. Can detect temporary emails dynamically to catch the latest domains. 3. Quick API Validation can verify emails live within 0.5 seconds. It's a web application and runs on Reoon's server. Users can access and use this from any web browser.

Uptrends is the ultimate monitoring tool to stay in control of the uptime, performance, and functionality of your websites, APIs, and servers. It is all about cloud-based website performance and network monitoring. Uptrends' products provides a 24/7 monitoring service that alerts and fix errors quickly to prevent any downtime and strengthen the digital experience for the users. There are over 231 checkpoints worldwide which automatically check and analyze website load, the processes, and payments. The second that it detects a failure, you will be notified. Uptrends is now part of ITRS, which with highly-skilled professional team dedicated to helping you get the most out of our monitoring services. Harnessing the power of software for a bright future.

Deliver a personalized customer experience with every interaction, across every channel, with uContact, net2phone’s cloud contact center solution. uContact is a scalable, robust contact center platform, geared towards call centers or BPOs with a very high volume of calls, requiring maximum call routing flexibility; or large organizations relying on a contact center environment looking to manage heavy inbound and outbound calls for sales and support teams. Our robust, full-featured platform includes: • Agent & Supervisor Capabilities - Call Queues, Monitoring, Custom Scheduling, Workforce Management, Breaks & Wrap Up, Disposition Coding • Voice - ACD, IVR, Auto Dialers, Call Recording, Screen Pops, Voice Automation, Text to Speech and ASR • Omnichannel - WebChat, SMS/MMS, WhatsApp, Social Media, Video, Email and Interaction Recordings • Automation - Chat Bots, Form Creator, Workflow Designer