What are some alternatives to Dovecot?

What is Dovecot and what are its top alternatives?

It is an open source IMAP and POP3 email server for Linux/UNIX-like systems, written with security primarily in mind. It is an excellent choice for both small and large installations. It's fast, simple to set up, requires no special administration and it uses very little memory.

Dovecot is a tool in the Email Deliverability category of a tech stack.

Top Alternatives to Dovecot

Postfix
It is a free and open-source mail transfer agent that routes and delivers electronic mail. It is Wietse Venema's mail server that started life at IBM research as an alternative to the widely-used Sendmail program. Now at Google, Wietse continues to support it. ...
Courier
Automatically upgrades your outbound user notifications to use the best channel for each user. Email, mobile push, in-app, SMS, or chat — all from a single API. ...
Courier Mail Server
It is a mail transfer agent server that provides ESMTP, IMAP, POP3, SMAP, webmail, and mailing list services with individual components. It is best known for its IMAP server component. ...
Zimbra
It is an open source server and secured & fast customer software for messaging and collaboration. The software consists of both client and server components, and a desktop client. It also provides native two-way sync to many mobile devices. ...
250ok
250ok is an email deliverability tools company that produces a Software‐as‐a‐Service (“SaaS”) platform to monitor and measure the deliverability of email networks. These networks consist of companies sending various forms of messages including marketing, transactional, share, and others from various platforms. ...
Boomerang
It adds scheduled sending and the easiest, most integrated email reminders to Gmail, helping you reach Inbox Zero. ...
Yesware
It helps build lasting business relationships, right from your inbox. A sales engagement platform designed for sales professionals and account managers. ...
Flute Mail API
Your transactional email should NOT trigger spam or marketing filters. Flute Mail plugs into your existing API provider to properly isolate segments, boost inbox rates, and safely store your transactional email data. ...