this post was submitted on 26 May 2025
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We’re excited to announce the release of Stalwart v0.12, a significant milestone that evolves Stalwart from a powerful mail server into a complete, integrated communication and collaboration platform. This release delivers one of the most anticipated features from our community: native support for calendars, contacts, and file storage—all built directly into the server, with no need for third-party integrations.

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[–] [email protected] 17 points 1 month ago (13 children)

I had to give up on stalwart because on 4gb ram dual core with mechanical HDD the performance for a single account domain was abysmal and after some support back and forth there was no solution.

On the same hardware the good old postfix+dovecot just handles perfectly with 90% spare capacity

Sorry guys, maybe it was time to optimize it a bit before adding more features?

[–] [email protected] 20 points 1 month ago (5 children)

It's a 0.x release. It makes sense building the intended features first before optimizing heavily. There's no point having an optimized data structure that then falls flat once you need to add new features that brings new requirements to the data structure.

Once they label it 1.x (i.e. feature complete and production ready) I would expect it to be optimized. If it isn't, criticism is warranted.

[–] [email protected] 2 points 1 month ago (1 children)

Stalwart probably aims a bigger infra than mine, i think that is the point.

[–] [email protected] 1 points 1 month ago

It aims at both, otherwise it wouldn't ship with sqlite and rocksdb. Stalwarts default is clearly for single node setups and expanding it to clustering takes further steps. So while it supports large scale deployments, it should not be limited to it.

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