Hello,
For the longest time I had no issues receiving email notifcations internally from my networks until now.
I’m running version 2024-04.
Below you will find a couple of postfix logs with message “This message does not meet our delivery requirements” and also from rspamd.
My trouble shooting skills is limited so any help would be much apreciated.
postfix-mailcow-1 | Apr 10 15:28:00 0af53dc2cb45 postfix/submission/smtpd[5738]: disconnect from unknown[10.10.0.80] ehlo=2 starttls=1 auth=1 mail=1 rcpt=1 data=1 quit=1 commands=8
postfix-mailcow-1 | Apr 10 15:30:15 0af53dc2cb45 postfix/submission/smtpd[5749]: connect from unknown[10.10.0.80]
postfix-mailcow-1 | Apr 10 15:30:15 0af53dc2cb45 postfix/submission/smtpd[5749]: discarding EHLO keywords: CHUNKING
postfix-mailcow-1 | Apr 10 15:30:15 0af53dc2cb45 postfix/submission/smtpd[5749]: Anonymous TLS connection established from unknown[10.10.0.80]: TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)
postfix-mailcow-1 | Apr 10 15:30:15 0af53dc2cb45 postfix/submission/smtpd[5749]: discarding EHLO keywords: CHUNKING
postfix-mailcow-1 | Apr 10 15:30:15 0af53dc2cb45 postfix/submission/smtpd[5749]: C0ED5610A0: client=unknown[10.10.0.80]
postfix-mailcow-1 | Apr 10 15:30:15 0af53dc2cb45 postfix/cleanup[5750]: C0ED5610A0: message-id=QH56d3+JzdZz5wQNnqN6zO2CI0HpUAmKIfncHUGG7bE@myhost.com
postfix-mailcow-1 | Apr 10 15:30:18 0af53dc2cb45 postfix/cleanup[5750]: C0ED5610A0: milter-reject: END-OF-MESSAGE from unknown[10.10.0.80]: 5.7.1 This message does not meet our delivery requirements; from=karl@domain.com to=karl@domain.com proto=ESMTP helo=<KARL-PC>
Apr 10 15:42:47 0af53dc2cb45 postfix/postscreen[5780]: CONNECT from [172.16.0.1]:55779 to [172.22.1.253]:25
postfix-mailcow-1 | Apr 10 15:42:47 0af53dc2cb45 postfix/postscreen[5780]: WHITELISTED [172.16.0.1]:55779
postfix-mailcow-1 | Apr 10 15:42:47 0af53dc2cb45 postfix/smtpd[5784]: connect from unknown[172.16.0.1]
postfix-mailcow-1 | Apr 10 15:42:47 0af53dc2cb45 postfix/smtpd[5784]: discarding EHLO keywords: CHUNKING
postfix-mailcow-1 | Apr 10 15:42:47 0af53dc2cb45 postfix/smtpd[5784]: AB56B610A0: client=unknown[172.16.0.1]
postfix-mailcow-1 | Apr 10 15:42:47 0af53dc2cb45 postfix/cleanup[5785]: AB56B610A0: message-id=<>
postfix-mailcow-1 | Apr 10 15:42:50 0af53dc2cb45 postfix/cleanup[5785]: AB56B610A0: milter-reject: END-OF-MESSAGE from unknown[172.16.0.1]: 5.7.1 This message does not meet our delivery requirements; from=firewall@domain.com to=karl@domain.com proto=ESMTP helo=<firewall.domain.com>
SPOOFED_UNAUTH (50)
HFILTER_HOSTNAME_UNKNOWN (8.5)
R_SPF_FAIL (8) [-all]
VIOLATED_DIRECT_SPF (3.5)
MISSING_MID (2.5)
RDNS_NONE (1)
ONCE_RECEIVED (0.1)
DMARC_POLICY_SOFTFAIL (0.1) [domain.com : No valid SPF, No valid DKIM,none]
MIME_GOOD (-0.1) [text/plain]
MX_GOOD (-0.01) []
ARC_SIGNED (0) [domain.com:s=dkim:i=1]
BCC (0)
RCVD_COUNT_ZERO (0) [0]
R_DKIM_NA (0)
FROM_NO_DN (0)
TO_MATCH_ENVRCPT_ALL (0)
MISSING_XM_UA (0)
MIME_TRACE (0) [0:+]
ARC_NA (0)
TO_DOM_EQ_FROM_DOM (0)
FROM_EQ_ENVFROM (0)
RCPT_COUNT_ONE (0) [1]
RCPT_MAILCOW_DOMAIN (0) [domain.com]
TO_DN_NONE (0)
