alt Hacker NewsThere's a weird folk belief that Exim is a secure 2nd-generation MTA, but it's not; it's a 1st generation MTA, like Sendmail and Smail. The two "secure" 2nd generation MTAs are Postfix and qmail. You shouldn't use those either, really; there is no reason to run a memory-unsafe MTA, or, for that matter, an MTA that isn't backed by a real database.
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loloquwowndueo • yesterday at 7:28 PM
Which one would you suggest using?
I’ve been looking at Stalwart to replace my old exim setup, wondering if it’s a reasonable choice.
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I run postfix in a receive-only mode to power inbound email processing. I'm very very glad there's no database requirement. It just passes the processing of inbound emails to a filter over stdin, which can do whatever it wants with databases or whatever it needs.