Greatmail
Reliable cloud-based email hosting includes features such as spam filtering, antivirus protection, ample storage, and webmail access. It seamlessly integrates with Outlook as well as various other POP3/IMAP clients. For users with high sending needs, it offers a robust SMTP service designed for responsible senders. Additionally, there is an outbound relay service tailored for transactional emails, marketing campaigns, newsletters, and diverse applications. The infrastructure supports dedicated email servers, clustering, and multiple IP load balancing to accommodate high-volume senders effectively. With a fixed monthly fee, users benefit from unlimited sending capabilities and reputation monitoring. Greatmail stands out as an email service provider (ESP) focused on delivering business-class email hosting, SMTP hosting, and specialized email servers. Furthermore, for ISPs, software developers, and cloud architects, we also create custom solutions featuring dedicated IP servers and load-balanced configurations with multiple servers to meet specific processing needs. This commitment to adaptability ensures that all clients receive the best possible service, tailored to their unique requirements.
Learn more
PostScan Mail
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.
Learn more
SendGrid
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.
Learn more
Rspamd
Rspamd was developed to manage the significant increase in mail flows over the past decade, which has surged by more than tenfold. From its inception, the project has targeted high-traffic mail systems, prioritizing speed and performance in its development. Written in the C programming language, Rspamd employs various methods to ensure rapid operation, particularly on contemporary hardware. Remarkably, it can also function effectively on embedded devices with limited resources. For a clearer understanding of its impressive speed, you can refer to a recent performance analysis article. Rspamd serves as a more efficient alternative to the SpamAssassin mail filter, capable of scanning ten times the number of messages with the same set of rules through the use of a SpamAssassin plugin. A graph illustrating the transition from SpamAssassin to Rspamd demonstrates a notable reduction in CPU load on scanning machines. Additionally, Rspamd is compatible with well-known mail transfer agents, including Postfix, Exim, Sendmail, and Haraka, making it a versatile choice for various email systems. This flexibility in compatibility allows organizations to seamlessly integrate Rspamd into their existing infrastructure.
Learn more