A message from in from the dol.gov servers through our external
sendmail servers and is accepted fine and forwarded to our ciphermail
box. It appears postfix doesn't like how the From is done so it then
bounces the message.
Jan 11 16:00:32 ciphermail postfix/smtp[16067]: A197BE0:
to=<yadayada(a)yada.com>, relay=127.0.0.1[127.0.0.1]:10025, delay=0.34,
delays=0.26/0/0.04/0.04, dsn=5.1.7, status=bounced (host
127.0.0.1[127.0.0.1] said: 501 5.1.7 Syntax error in sender address
(in reply to MAIL FROM command))
Does anyone know of a way to tell postfix (I think that is the
culpruit) to not be so strict? Or maybe to trust 127.0.0.1? I can't
change what the government is sending and heck they are shutdown
anyway1 ;-}
The problem seems to be that the back-end (i.e., the internal mail
server) is more strict, i.e., it follows the standards more closely,
than postfix and therefore refuses the message. There are lots of
reasons why it's best to not accept invalid email. That said, the
"easiest" fix is to configure postfix to rewrite the invalid sender
address into a valid sender address. For example, an email address
cannot end with a . (dot). So the following sender address is invalid
end-with-dot.(a)example.com <-- not valid
But if you double quote the local part, the email address is valid
"end-with-dot."@example.com <-- valid
You might be able to use postfix sender_canonical_maps to rewrite an
invalid sender to some other (valid) form.
I'm clueless about postfix, is it the same thing as "James"?
Postfix is the Mail Transfer Agent (MTA) used by CipherMail. The MTA is
responsible for sending and receiving email. James is a mail server
which is internally used (the back-end) to encrypt/decrypt etc. received
email (Internet -> Postfix -> internal MTA -> Postfix -> Internet)
Kind regards,
Martijn Brinkers
ยทยทยท
On 15-01-19 00:39, de Longpre, Dale via Users wrote:
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