Based on our record, Modoboa should be more popular than Polymail. It has been mentiond 6 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Setting it up from scratch is extremely annoying but there are foss solutions which manages everything mentioned and more, you only need to install & add the specified DNS records. Modoboa does a great job at this: https://modoboa.org/en/ > Also apparently there's no real way to migrate between email servers either This seems false (unless I'm misunderstanding), you can just setup a second mailserver, change DNS... - Source: Hacker News / 11 months ago
I did ask over the Form on their website. Source: about 1 year ago
Or an open source mail server like https://modoboa.org/en/. Source: about 1 year ago
For receiving email, I use Modoboa, but I am planning on moving the backend to Docker Mailserver. I usually reply with a Gmail address though. Until I get the email server configured to send emails through something like Sendgrid. Source: over 1 year ago
Modoboa? https://modoboa.org/en/ I was skeptical about running a mailserver but a friend set up a few mailboxes with Modoboa and so far it's going better than expected. (Mostly we just needed a mail relay.). - Source: Hacker News / almost 2 years ago
Polymail - This one is a lot like Twobird but with a lot more features. It's a different type of email client. It's really cool, but the Windows version is just a web app. It's available on iOS as well. Source: over 2 years ago
mailcow - An open source mailserver suite.
Airmail - Airmail is a lightweight and lightning fast mail client for Mac.
Mail-in-a-box - Mail-in-a-Box provides webmail and an IMAP/SMTP server for use with mobile devices and desktop mail software and also includes contacts and calendar synchronization.
Spark Mail - Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest. Spark for Teams allows you to create, discuss, and share email with your colleagues
iRedMail - A fully fledged, free email server solution, an open source project (GPL v2).
Thunderbird - Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!