[pfx] Fwd: [S-announce] s-dkim-sign: addendum: ed25519 keys not usable with v0.6.0

2024-05-03 Thread Steffen Nurpmeso via Postfix-users
Hello. I am very sorry to disturb again, but please allow me that one in addition. (Btw i will not forward *that*, but by the next weekend i will have released another version of s-postgray which fixes a bug and gains a new "no-timeout" mode, ie, entries which are so old that their last usage

[pfx] Re: long header folding and DKIM fails

2024-05-03 Thread Tim Coote via Postfix-users
Further investigation showed that the issue is in Python 2.7’s `email` module. Although this is out of support, I’d expect some to be lying around and thought it worth mentioning to this group. Specifically, `email.Message.__str__()`. It seems ok in python3 > On 2 May 2024, at 12:53, Tim

[pfx] Re: Implementing ARC with postfix to allow/assist with forwarding

2024-05-03 Thread patpro--- via Postfix-users
Hello, I’m using openarc from https://github.com/trusteddomainproject/OpenARC May be dead but does work. You could try https://github.com/fastmail/authentication_milter (https://github.com/fastmail/authentication_milter) but it’s way more complex. cheers patpro May 3, 2024 4:17 PM, "Alex via

[pfx] Implementing ARC with postfix to allow/assist with forwarding

2024-05-03 Thread Alex via Postfix-users
Hi, I'm using postfix-3.7.9 on fedora38 and would like to implement ARC to assist with authenticating emails being forwarded by users to Gmail and others. The research I've done points to OpenARC as a dead project. This looks like a great guide to get started, but I'm having trouble identifying

[pfx] Re: Relaying Teams Invitations send by Microsoft365 via Postfix to the Internet

2024-05-03 Thread Wietse Venema via Postfix-users
Norbert Schmidt via Postfix-users: > Hello, > > We've got a single user needing Micro$oft Teams. This users mailaccount > u...@contenso.com is configured on our server AND within Microsoft365 as > sending address for the invitations. > All other mail accounts are local and send via postfix. >

[pfx] Relaying Teams Invitations send by Microsoft365 via Postfix to the Internet

2024-05-03 Thread Norbert Schmidt via Postfix-users
Hello, We've got a single user needing Micro$oft Teams. This users mailaccount u...@contenso.com is configured on our server AND within Microsoft365 as sending address for the invitations. All other mail accounts are local and send via postfix. With blimmen Microsoft365 the invitation mails are