On 24.03.21 11:46, Paul Fowler wrote:
Just some further into, if I add the sender's IP to mynetworks then it will
accept the email with a special character "!" in the local part.
yes, because by adding IP to mynetworks, you usually allow the sending IP to
relay mail.
the ! has still special meaning as UUCP address.
do you really need UUCP addressing?
So it seems postfix can accept special characters, I'm just not sure how to
allow this for every sender.
part
> of a email address.
> We have a need to be able to accept emails that include special
characters
> like ! e.g. joe!b...@example.com
>
> When trying to send a test mail on a test server I get 'Relay Access
> denied'
I guess Postfix interprets "!" sign in the email address as an UUCP routing
address, therefore "relay access denied".
In terms of UUCP, "joe!b...@example.com" means that you want the receiving
server (MX for "example.com" domain) to forward the mail via UUCP to the
machine it knows as "joe" and deliver it to user "b" on that machine :)
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