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sys42590today at 6:54 PM1 replyview on HN

Many years ago I used Exim because it was default for my distro of choice back then. But after a few emergency patchings caused by yet another RCE in Exim I learned that switching to Postfix massively improved my sleep quality.


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tptacektoday at 7:06 PM

There'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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