Re: Possible header_check solution?

2020-04-16 Thread @lbutlr
On 14 Apr 2020, at 11:42, Rick King wrote: > We were thinking using a header_check rule, something like this; but didn't > work due to the "backtracking limit exceeded" warning. The From: header is entirely valid, and the issue is the user’s MUA is not showing the full header (in an effort to

Re: Possible header_check solution?

2020-04-15 Thread Matus UHLAR - fantomas
On 14/04/2020 18:42, Rick King wrote: We have a customer that occasionally receives messages like this... Return-Path: From: "Free iPad " To: Subject:Free iPad Any suggestions welcome! Thank you! On 15.04.20 11:09, Allen Coates wrote: I am no expert on pattern matching, but could you

Re: Possible header_check solution?

2020-04-15 Thread Allen Coates
On 14/04/2020 18:42, Rick King wrote: > Hello List! > > We have a customer that occasionally receives messages like this... > > Return-Path: > From: "Free iPad " > To: > Subject:Free iPad > Any suggestions welcome! Thank you! > > I am no expert on pattern matching, but could you

Re: Possible header_check solution?

2020-04-14 Thread Dominic Raferd
On Tue, 14 Apr 2020 at 18:45, Rick King wrote: > > Postfix version 3.1.1 > > Hello List! > > We have a customer that occasionally receives messages like this... > > Return-Path: > From: "Free iPad " > To: > Subject:Free iPad > > From the looks of it, messages like these are from legit domains

Possible header_check solution?

2020-04-14 Thread Rick King
Postfix version 3.1.1 Hello List! We have a customer that occasionally receives messages like this... Return-Path: From: "Free iPad " To: Subject:Free iPad >From the looks of it, messages like these are from legit domains with a >carefully crafted "displayName". So the "displayName" is