Re: [Mailman-Users] DKIM signing issue - relaying mailman e-mails from third party sources

2017-10-12 Thread Mark Sapiro
On 10/12/2017 02:15 PM, Grant Taylor via Mailman-Users wrote: > On 10/11/2017 12:12 PM, Mark Sapiro wrote: >> solution 2). Your mail relaying process can rewrite the envelope >> sender to your domain, e.g., campa...@myserver.com or some other >> appropriate @myserver.com address. This will break ma

Re: [Mailman-Users] DKIM signing issue - relaying mailman e-mails from third party sources

2017-10-12 Thread Grant Taylor via Mailman-Users
On 10/11/2017 12:12 PM, Mark Sapiro wrote: solution 2). Your mail relaying process can rewrite the envelope sender to your domain, e.g., campa...@myserver.com or some other appropriate @myserver.com address. This will break mailman's automated bounce processing for mail from mailman-boun...@ext

Re: [Mailman-Users] DKIM signing issue - relaying mailman e-mails from third party sources

2017-10-11 Thread Mark Sapiro
On 10/11/2017 01:23 AM, Dlugasny via Mailman-Users wrote: > > The problem is that we are sending an E-mail which looks as follow: > > From: campa...@myserver.com > Return-Path: mailman-boun...@external-company.com > To: @gmail.com > > The problem is that DKIM check on the gmail server server (an

[Mailman-Users] DKIM signing issue - relaying mailman e-mails from third party sources

2017-10-11 Thread Dlugasny via Mailman-Users
Hallo Mark, Kolleagues, maybe somebody will be able to help me here. I would like to relay (also check with Antivir and sign them with DKIM) all Mailman e-mails from our external partners to our final customers. Relaying seems to work nice but we have a problem with DKIM authentication and Ret