Re: block emails with fake FROM

2022-06-17 Thread Bill Cole
On 2022-06-17 at 04:51:08 UTC-0400 (Fri, 17 Jun 2022 09:51:08 +0100) Eduardo Maia is rumored to have said: Hi, I need to block emails with fake FROM like : From: "Nick Blue " The postfix has the feature header_checks and mime_header_checks. When the FROM is with plain text, it

Re: block emails with fake FROM

2022-06-17 Thread Matus UHLAR - fantomas
On 17.06.22 09:51, Eduardo Maia wrote: I need to block emails with fake FROM like : From: "Nick Blue " if you use spamassassin as spam filter, you can load plugin Mail::SpamAssassin::Plugin::FromNameSpoof and define rule that will catch these: header L_FROM

Re: block emails with fake FROM

2022-06-17 Thread Wietse Venema
Eduardo Maia: > Hi, > > I need to block emails with fake FROM like : > > From: "Nick Blue " > > > The postfix has the feature header_checks and mime_header_checks. When > the FROM is with plain text, it works fine, but when the FROM is mime >

block emails with fake FROM

2022-06-17 Thread Eduardo Maia
Hi, I need to block emails with fake FROM like : From: "Nick Blue " The postfix has the feature header_checks and mime_header_checks. When the FROM is with plain text, it works fine, but when the FROM is mime encoded like this: From: