Re: Empty/malformed sender address accepted

2021-05-14 Thread Matus UHLAR - fantomas
On 14.05.21 10:06, Markus E. wrote: I need some help here. My system apparently just accepted a messege with no valid sender address. May 14 05:32:43 mx postfix/qmgr[22592]: 4FhDcV6fwfzxNc: from=<>, size=806, nrcpt=1 (queue active) this is valid sender address and RFCs require to allow this

Empty/malformed sender address accepted

2021-05-14 Thread Markus E.
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