Re: [mailop] Best practice for mailing list servers

2022-06-15 Thread Axel Rau via mailop
> Am 15.06.2022 um 20:42 schrieb Ken O'Driscoll via mailop : > > This is incorrect. The return-path is the address used by receiving the MTA > to send bounce messages to when the recipient's 5322.From is unreachable for > whatever reason. Yes. But the point was "do I need a MX to receive

Re: [mailop] Best practice for mailing list servers

2022-06-15 Thread Axel Rau via mailop
> Am 15.06.2022 um 19:43 schrieb Ken O'Driscoll : > > If your return-path is a CNAME, then you'll have problems with bounce > processing too. Many MTAs will consider the return-path invalid when they > can't find an MX RR; as will many message filters. Their behaviour is wrong. As we all

Re: [mailop] Best practice for mailing list servers

2022-06-15 Thread Axel Rau via mailop
> Am 14.06.2022 um 18:51 schrieb Ken O'Driscoll via mailop : > > * Make sure that the list's 5321.From (return-path/envelope/MAILFROM) domain > has a valid and restrictive SPF Domainpart of my return-path is a generic CNAME of a pair of MLMs SPF requires a TXT RR which can’t coexist with a

Re: [mailop] Best practice for mailing list servers

2022-06-14 Thread Axel Rau via mailop
Hi Ken, thanks for your advice. > Am 14.06.2022 um 18:51 schrieb Ken O'Driscoll : > * DKIM sign all list messages with your own key Which headers should I sign? > * Use different DKIM keypairs for each list > * Don’t modify the originally message body (e.g., adding in a list footer > etc.)

[mailop] Best practice for mailing list servers

2022-06-14 Thread Axel Rau via mailop
Hi all, I’m running a mailman3 site with several small mailing lists. Today Google let all mails without DKIM sig bounce. Other ESPs refuse my mails because of brokem DKIM sig. Currently the listserver does not DKIM-sign nor remove DKIM-sigs. It seems, that mails with DKIM-sig (from the author

Re: [mailop] [RESOLVED] Getting 'Access Denied' on Microsoft supportrequestform

2022-02-04 Thread Axel Rau via mailop
. Sincerely, Eric Tykwinski TrueNet, Inc. P: 610-429-8300 -Original Message- From: mailop On Behalf Of Axel Rau via mailop Sent: Friday, February 4, 2022 8:42 AM To: mailop@mailop.org Subject: Re: [mailop] Getting 'Access Denied' on Microsoft supportrequestform Has anybody another channel to MS

Re: [mailop] Getting 'Access Denied' on Microsoft supportrequestform

2022-02-04 Thread Axel Rau via mailop
Has anybody another channel to MS postmasters? Thanks, Axel Am 04.02.22 um 00:43 schrieb Axel Rau via mailop: Hi all, My new mailinglist server is blocked by Microsoft (S3150). I have a SNDS account and my IP range has status 'normal'. Sumitting a support request here https

[mailop] Getting 'Access Denied' on Microsoft supportrequestform

2022-02-03 Thread Axel Rau via mailop
Hi all, My new mailinglist server is blocked by Microsoft (S3150). I have a SNDS account and my IP range has status 'normal'. Sumitting a support request here https://support.microsoft.com/supportrequestform results in: - - - Access Denied You don't have permission to access