On 5 Apr 2021, at 17:49, Steve Dondley wrote:
Sending to pe...@example.org works with these SA settings in
master.cf:
smtp inet n - y - - smtpd
-o content_filter=spamassassin
-o receive_override_options=no_address_mappings
spamassassin unix - n n - - pipe
user=debian-spamd argv=/usr/bin/spamc -u ${user} -f -e
/usr/sbin/sendmail -oi -f ${sender} ${recipient}
However, sending the same email to both pe...@example.org and
pe...@example.org results in neither user receiving the email.
I can fix this problem by removing the -u ${user} bit from the
master.cf file (see above). Once removed, both recipients receive
the email.
How can I get the best of both worlds and get per-user SA settings
and actually get email delivered? I tried removing the "-o
receive_override_options=no_address_mappings" line but that didn't
help.
On 05.04.21 18:27, Bill Cole wrote:
Add this to your main.cf:
spamassassin_destination_recipient_limit = 1
Refer to the SINGLE-RECIPIENT DELIVERY section of the pipe(8) man page
for why. There is also relevant discussion of this and related issues
at https://unix.stackexchange.com/questions/247433/postfix-spamassassin-incoming-mail-headers-changes.
much more effective would be using something like amavis. It can handle
multiple recipients.
But since this receives mail from the world, even better would be using
milter, like spamass-milter or amavisd-milter (requires amavis). That can
refuse spam at SMTP level.
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