Secure & Modern All-in-One Mail Server (IMAP, JMAP, SMTP) - GitHub - stalwartlabs/mail-server: Secure & Modern All-in-One Mail Server (IMAP, JMAP, SMTP)
Copied from r/selfhosted as seems interesting enough to share with wider audience.
I’m excited to announce the release of Stalwart Mail Server, a single binary solution that combines the Stalwart JMAP, Stalwart IMAP, and Stalwart SMTP servers into one easy-to-install package.
In response to user feedback, some key enhancements were made. Stalwart Mail Server now supports LDAP and SQL authentication, providing seamless integration with your existing infrastructure.
For single node setups, RocksDB has been replaced with SQLite with the option of using LiteStream for replication. For larger, distributed setups, support for FoundationDB was added, letting you scale to millions of users without sacrificing performance. Additionally, it is now also possible to store your emails in an S3-compatible storage solution such as MinIO, Amazon S3, or Google Cloud Storage.
Other notable updates include support for disk quota, subaddressing (or plus addressing) and catch-all addresses.
The single binary thing is a nice idea. I don’t see myself migrating off mailcow anytime soon though - I have no desire to set up mailservers more often than required.
JMAP was developed by the guys that run FastMail (who are the primary developers of the open source email server Cyrus-IMAP). It’s easier to implement and more performant.
Side note, Cyrus is a pretty amazing mail server. It doesn’t get much love here, but it’s bombproof, fast, supports multi-node clusters, IMAP, NNTP, CalDAV, CardDAV and more that I’m forgetting. It’s just a bit old school as far as configuring goes.
I think there’s a lot of FUD around this. Yes, deliverability can be a PITA, but with a clean IP and good setup it’s usually solvable. Worst case, you can pay a small amount to use a 3rd party SMTP relay and still get most of the benefits of selfhosting. It wasn’t deliverability that made me stop selfhosting it was spam, and it wasn’t that dealing with spam was that hard, it was just annoying.
As an anecdote – I have been sitting on an elastic IP at AWS for years, with reverse DNS configured properly for it. Way early on (years ago), some spam filters would block the whole netblock, but I can’t remember the last time the IP Block was wholesale blocked. I think AWS is very much on top of any spam complaints from their Elastic IPs, and as long as you don’t abuse your specific IP, you are in good shape for light volume, non-spam mail.
I use Mail-in-a-Box (planning to move to ISPMail though) and i rarely have deliverability issues. My main issue is actually that the grey filter takes too long for my preferences! With self hosting mail, i consider that a good issue to have
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The single binary thing is a nice idea. I don’t see myself migrating off mailcow anytime soon though - I have no desire to set up mailservers more often than required.
👀
What the hell is JMAP anyway? Never heard ofAnother new alternative to IMAP. Can be read here.JMAP was developed by the guys that run FastMail (who are the primary developers of the open source email server Cyrus-IMAP). It’s easier to implement and more performant.
Side note, Cyrus is a pretty amazing mail server. It doesn’t get much love here, but it’s bombproof, fast, supports multi-node clusters, IMAP, NNTP, CalDAV, CardDAV and more that I’m forgetting. It’s just a bit old school as far as configuring goes.
A good read about self hosted email servers: https://news.ycombinator.com/item?id=32715437
If you are going to use it within your family members it will be fine, but not with other users who uses corporate provided email services.
I think there’s a lot of FUD around this. Yes, deliverability can be a PITA, but with a clean IP and good setup it’s usually solvable. Worst case, you can pay a small amount to use a 3rd party SMTP relay and still get most of the benefits of selfhosting. It wasn’t deliverability that made me stop selfhosting it was spam, and it wasn’t that dealing with spam was that hard, it was just annoying.
As an anecdote – I have been sitting on an elastic IP at AWS for years, with reverse DNS configured properly for it. Way early on (years ago), some spam filters would block the whole netblock, but I can’t remember the last time the IP Block was wholesale blocked. I think AWS is very much on top of any spam complaints from their Elastic IPs, and as long as you don’t abuse your specific IP, you are in good shape for light volume, non-spam mail.
I use Mail-in-a-Box (planning to move to ISPMail though) and i rarely have deliverability issues. My main issue is actually that the grey filter takes too long for my preferences! With self hosting mail, i consider that a good issue to have