Topic: Problem with Cisco ASA version 7.2(2) and DKIM
When dkim signing is enabled, Cisco ASA can not relay mail to other smtp server. You should find something like that in /var/log/maillog :
.........@gmail.com>, relay=alt1.gmail-smtp-in.l.google.com[184.108.40.206]:25, delay=1.9, delays=0.03/0.03/1.4/0.45, dsn=4.4.2, status=deferred (lost connection with alt1.gmail-smtp-in.l.google.com[220.127.116.11] while sending end of data -- message may be sent more than once)
When dkim signing is disbled in /etc/amavisd.conf :
$enable_dkim_verification = 0; # enable DKIM signatures verification
$enable_dkim_signing = 0; # load DKIM signing code, keys defined by dkim_key
Everything works fine :
@gmail.com>, relay=gmail-smtp-in.l.google.com[18.104.22.168]:25, delay=0.68, delays=0.02/0.05/0.1/0.51, dsn=2.0.0, status=sent (250 2.0.0 OK 1252423104 4si308461fxm.6)
There's probably something to do on Cisco ASA (on Cisco pix, it was something like 'no fixup smtp'), but I don't know what.
Any Idea ???
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