[pfx] Re: how to reject a domain delivery

that's the nice solution. thanks. > > Corey Hickman via Postfix-users: > > > > > Hello > > > > > > > > I have basic postfix/dovecot installation. > > > > How can I setup postfix or dovecot to reject the specified domai

[pfx] how to reject a domain delivery

Hello I have basic postfix/dovecot installation. How can I setup postfix or dovecot to reject the specified domain in sender? I know I can setup sieve script to discard messages from that domain, but this method sounds rather rigid. Or shall I install rspamd etc to make a reject policy for that?

[pfx] configuration for backup mx server

Hello My settings for backup MX server are as follows. Do you think if they have problems? I am looking for your kind suggestions. smtpd_relay_restrictions = permit_mynetworks, permit_sasl_authenticated, permit_mx_backup, reject_unauth_destination smtpd_sender_restrictions = permit_mynetwor

[pfx] domain based vhosts

Hello list, another more question, does postfix support domain based vhosts? such as different vhost has different policies, routes, milters etc. Thanks Corey ___ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to p

[pfx] multi smtp servers question

Hello list, We have 3 smtp servers for sending messages. When mail in one server has delivery issue, how can we setup it to use another more servers for second/third delivery? Thanks Corey ___ Postfix-users mailing list -- postfix-users@postfix.org

[pfx] stop bulk messages

Hello list, Some clients abuse the outgoing smtp server for sending bulk messages. The messages have the same content of business promotion letter. Do you know how to stop this behavior? Thank you. corey ___ Postfix-users mailing list -- postfix-users@

[pfx] simple content filter for outgoing message

Hello buddies, I just want to make some simple filters for outgoing messages. for example, the message content has some keywords (like "VPN sale") included, it will be rejected by the system. I know there are the software Rspamd and Spamassassin, but they are too heavy for my simple usage.

[pfx] invalid and non-fqdn hostname

Hello for these two statements, reject_invalid_helo_hostname reject_non_fqdn_helo_hostname what are the differences between them? does the second one hold the first one already? Thanks. ___ Postfix-users mailing list -- postfix-users@postfix.org

[pfx] Re: secondary MX server

On 01/04/2023 08:04, Peter via Postfix-users wrote: On 1/04/23 00:36, Corey Hickman via Postfix-users wrote: Since almost every sending MTA has the queues, do I need a secondary MX for my domain email? Secondary, or backup MXes are almost never recommended in the modern internet and tend to

[pfx] secondary MX server

Hello, Since almost every sending MTA has the queues, do I need a secondary MX for my domain email? I am afraid the secondary MX was abused by spammers. Thanks. ___ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email

[pfx] Re: choose the right email address to send to the lists

On 10/03/2023 19:30, cor...@free.fr wrote: I saw some people using email addresses like yahoo, AOL, mail.ru to post messages to the lists (such as debian-user, postfix-user etc). I am thinking those addresses which have the strictest DKIM setup are not suitable to send a list mail, they will be

[pfx] choose the right email address to send to the lists

I saw some people using email addresses like yahoo, AOL, mail.ru to post messages to the lists (such as debian-user, postfix-user etc). I am thinking those addresses which have the strictest DKIM setup are not suitable to send a list mail, they will be blocked by many recipients (list members)