On 25.02.22 07:10, @lbutlr wrote:
Are there any issue with using multiple names for the same mail server?
none other that you might receive mail for every domain pointing to that
server, e.g. postmas...@www.example.com, postmas...@ns.example.com etc.
For example, I use mail.exampl.net as the FQDN for the mail sever, but if I
have a hosted domain at example.com can I have its MX set to
mail.example.com and point to the same IP without issue, or do I need to
do something in postfix to account for this?
In short, does postfix need to know the name the client used to connect to the
server?
it does not need, it does not know, it does not care. Neither do
spammers/viruses.
I've encountered case where malware contacted nameservers of a domain to pass
mail to it, despite MX records pointed elsewhere.
--
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