Hi list,

In which scenarios are there advantages on having IMAP and SMTP on different IPs?

I've been managing small servers using Postfix for smtp and Dovecot for mailbox, all in the same server using the same IP. But I'd like to know how widely used this scenario is by others, especially more experienced folks, and why.

What factors should affect such "splitting"? Performance, security , IP reputation or anything else?

I am mostly interested in office mail usage, but it's also interesting to hear from other usages.

--
Regards,

Leandro Santiago
Software Craftsman at Lightmeter
https://lightmeter.io

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