Hi!
I need some help here. My system apparently just accepted a messege with
no valid sender address.
Logfile:
May 14 05:32:30 mx postfix/postscreen[22902]: CONNECT from [202.74.56.X]:49082
to [172.105.87.X]:25
May 14 05:32:36 mx postfix/postscreen[22902]: PASS NEW [202.74.56.X]:49082
May 14 05:32:40 mx postfix/smtpd[22903]: connect from
X.care.vpb.com.vn[202.74.56.X]
May 14 05:32:42 mx postfix/smtpd[22903]: 4FhDcV6fwfzxNc:
client=X.care.vpb.com.vn[202.74.56.X]
May 14 05:32:43 mx postfix/cleanup[22906]: 4FhDcV6fwfzxNc: message-id=<>
May 14 05:32:43 mx postfix/qmgr[22592]: 4FhDcV6fwfzxNc: from=<>, size=806,
nrcpt=1 (queue active)
May 14 05:32:43 mx postfix/smtpd[22903]: disconnect from
X.care.vpb.com.vn[202.74.56.X] ehlo=2 starttls=1 mail=1 rcpt=1 data=1 quit=1
commands=7
May 14 05:32:43 mx postfix/relay/smtp[22907]: 4FhDcV6fwfzxNc:
to=<my_account@my_domain>, relay=xxx[xxx]:25, delay=1.6,
delays=1.2/0.04/0.24/0.09, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued as
4FhDcW3Fscz246R)
May 14 05:32:43 mx postfix/qmgr[22592]: 4FhDcV6fwfzxNc: removed
Message headers:
Return-Path: <>
From: Jerry<@>
In my configuration:
smtpd_recipient_restrictions =
permit_mynetworks
reject_unauth_pipelining
reject_non_fqdn_recipient
reject_unknown_client_hostname
reject_invalid_helo_hostname
reject_non_fqdn_helo_hostname
reject_non_fqdn_sender
reject_unknown_helo_hostname
reject_unknown_sender_domain
reject_unknown_recipient_domain
permit
This is on Postfix 3.6-20210224 (will update to 3.6 any day)
-me
