Tool Profile

Stalwart

Mail and collaboration server suggested as an Exim replacement.

At a glance:

First seen:2026-05-12

Last seen:2026-05-12

Sightings:1

Source:stalw.art

What it is

Mail and collaboration server suggested as an Exim replacement.

Why developers recommend it

It was the strongest mail-infra alternative mentioned in the Exim security thread.

Hacker News evidence

2026-05-12

One commenter said they were looking at Stalwart to replace Exim, and another called it a fine security-focused option.

Dead.Letter (CVE-2026-45185) – How XBOW found an unauthenticated RCE on Exim