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See some error in logs: pmgproxy[1062055]: Unable to convert text in character set `GB18030' to UTF-8... ignoring at /usr/share/perl5/MIME/Head.pm line 799

* why not just use the rule system for this functionality? ** create a who object with the desired destination-mail addressess ** create a rule with this object as To object and Block as action object

It is no such issue recently,maybe that day some bad man is doing bad thing on my server.

I found some strange log recectly,my version is: Version: 7.3-3,the log is as below: Apr 18 19:00:08 postfix pmgproxy[1125188]: detected empty handle Apr 18 19:00:13 postfix pmgproxy[1125188]: detected empty handle Apr 18 19:00:18 postfix pmgproxy[1125188]: detected empty handle Apr 18 19:00:23...

Great,it is working,tks!

1: Local exchange server connect to Proxmox Internal SMTP port: 26 for outgoing emails. 2: At /etc/postfix/invalidemail,i have such content and run postmap for /etc/postfix/invalidemail dsfcdsf@gmail.com REJECT No such user found on the system. sdsff@gmail.com REJECT No such user found on...

I am thinking a method to block all of such and make a list to whitelist some,if really good company without MX

As found some spammers use this method to sending spams. Most of case,the envelope from without MX is spams!

reject_unknown_reverse_client_hostname will block normal emails

I show you some example HELO=m13215.mail.163.com MAIL FROM=XXXXX@m13215.mail.163.com HELO=mail115-204.sinamail.sina.com.cn MAIL FROM=XXXX@mail115-204.sinamail.sina.com.cn

The spammer will use HELO that has A record,so reject_unknown_helo_hostname not working to block it

reject_unknown_sender_domain Will reject email if mail from domain has neither mx record nor a record,for some spammer,they will sending forged emails that has A record but no MX record,in that case,if the IP is clean,postfix is accepted by default. If there any way to direct block those without...

Another issue,if you have several domains there only 1-2 domains have result at tracking center,but you can see other domains Spam Quarantine without problem

It is just like EXCHANGE bug,at the moment,crash!

It looks like something problem with rsyslog service. rsyslogd[557]: [origin software="rsyslogd" swVersion="8.2102.0" x-pid="557" x-info="https://www.rsyslog.com"] exiting on signal 15. after service rsyslog restart,it have logs for new mails

See some error log: Jan 01 17:57:29 postfix pmg-smtp-filter[1137]: starting database maintenance Jan 01 17:57:29 postfix pmg-smtp-filter[1137]: end database maintenance (16 ms) Jan 01 17:57:30 postfix pmgproxy[25229]: Deep recursion on subroutine "HTML::Element::delete" at...

My last record at tracking center is: Dec 25 17:45:21

At least,all the users have the same issue,that is sure,it is a bug.

From 26,dec-2021 till now,all is missing

I have same issue too,seems it is a bug