Re: rejecting 'nested' from address ?
On Sat, November 17, 2018 1:30 am, Wietse Venema wrote: >> ... >> smtpd_sender_restrictions = permit_mynetworks, permit_sasl_authenticated >> ... >> > > If first, then it will affect local, authorized, and remote clients. > > > If last, then it will affect remote clients. Wietse, thanks again. I guess I'll have it as first, to protect against stolen authorized IDs or hacked website forms V
Re: rejecting 'nested' from address ?
Voytek: > On Sat, November 17, 2018 12:01 am, Wietse Venema wrote: > > > thanks ! > > >> or where ? to reject/block ? > > > > /etc/postfix/sender_pcre: > > /@.*@/ reject > > > > > > /etc/postfix/main.cf: > > smtpd_sender_restrictions = check_sender_access > > pcre:/etc/postfix/sender_pcre > > I currently have as so, add as 1st or last ? > > ... > smtpd_sender_restrictions = > permit_mynetworks, > permit_sasl_authenticated > ... If first, then it will affect local, authorized, and remote clients. If last, then it will affect remote clients. Wietse
Re: rejecting 'nested' from address ?
On Sat, November 17, 2018 12:01 am, Wietse Venema wrote: thanks ! >> or where ? to reject/block ? > > /etc/postfix/sender_pcre: > /@.*@/ reject > > > /etc/postfix/main.cf: > smtpd_sender_restrictions = check_sender_access > pcre:/etc/postfix/sender_pcre I currently have as so, add as 1st or last ? ... smtpd_sender_restrictions = permit_mynetworks, permit_sasl_authenticated ... > Don't use this in header_checks.
Re: rejecting 'nested' from address ?
Voytek: > a user started getting many spam/malware with like 'nested' from: > > <"mick@cinkmedia.comgeranc"@gmail.com> > > <"m...@cinkmedia.com.abc"@expertsmeetings.org> > > I'm waiting for a full header from him, can anything be done in Postfix ? > or where ? to reject/block ? /etc/postfix/sender_pcre: /@.*@/ reject /etc/postfix/main.cf: smtpd_sender_restrictions = check_sender_access pcre:/etc/postfix/sender_pcre Don't use this in header_checks. Wietse
rejecting 'nested' from address ?
a user started getting many spam/malware with like 'nested' from: <"mick@cinkmedia.comgeranc"@gmail.com> <"m...@cinkmedia.com.abc"@expertsmeetings.org> I'm waiting for a full header from him, can anything be done in Postfix ? or where ? to reject/block ? V