On 2024-10-17 at 16:59:54 UTC-0400 (Thu, 17 Oct 2024 20:59:54 +0000)
Ray O'Donnell via Exim-users <ray@???>
is rumored to have said:
> Hi all,
>
> I'm sure a simple question - where do you configure the address used
> in the SMTP "MAIL FROM" command when bounce messages are generated?
You do not.
> In my setup, bounce messages are being rejected because the MAIL FROM
> at SMTP time is empty.
A mail system that rejects "MAIL FROM:<>" is not speaking standard SMTP.
> Its probably obvious, but not to me unfortunately....
The SMTP standard REQUIRES that the MAIL FROM argument be null (<>) on
any messages generated by the mail system itself. This includes bounce
messages. The purpose of this is to make bounce loops impossible.
--
Bill Cole
bill@??? or billcole@???
(AKA @grumpybozo@??? and many *@billmail.scconsult.com
addresses)
Not Currently Available For Hire
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