this post was submitted on 18 Jul 2023
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Announcement: All-in-one JMAP, IMAP and SMTP server (github.com)
submitted 1 year ago by outcide@lemmy.world to c/selfhosted@lemmy.world
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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.

Check it out here: https://github.com/stalwartlabs/mail-server

I look forward to your feedback and questions!

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[–] ananas@sopuli.xyz 2 points 1 year ago* (last edited 1 year ago) (3 children)

I am placing ~~careful~~ (nevermind that, this seems very nice) interest in this.

Few questions (since I'm on mobile, and it'll take me a while to get back to my computer to find out for myself):

  • How does managing sieve work with this?
  • Does it play along with rspamd?
  • Is it tested on x64_64 only?
  • Does it support PGP, can email be encrypted-at-rest using this?
  • Is there a way to run this behind a reverse proxy that handles the certificates? I'm not too keen on dealing with two separate sets of those in separate places.
  • Does this require LDAP?

If missing, are those on roadmap?

[–] outcide@lemmy.world 2 points 1 year ago

The author is actively answering questions on the Reddit thread, probably best to ask them.

It has sieve support and rspamd/spamd are supported via filters. It doesn't require ldap. PGP doesn't require any server support so that should work fine. I haven't seen anything about supporting encryption at rest.

[–] mystik@lemmy.world 2 points 1 year ago* (last edited 1 year ago)

LMTP support would be nice too: existing mail routing infrastructure could send messages into stalwart-managed mailboxes. (Edit: reading the docs, they do support LMTP! This is awesome)

[–] words_number@programming.dev 2 points 1 year ago

It sais in the readme that LDAP and SQL based auth is supported.