Re: Forwarding mail without breaking SPF?

2019-11-27 Thread Scott Kitterman
On Wednesday, November 27, 2019 2:03:40 PM EST Ralph Seichter wrote: > * Matus UHLAR: > > Once again, SPF does not apply to mail headers. > > Matus, I feel your frustration. > > I mentioned RFC 7208 before in this thread. If only people would read > section 2.2

Re: Forwarding mail without breaking SPF?

2019-11-27 Thread Ralph Seichter
* Matus UHLAR: > Once again, SPF does not apply to mail headers. Matus, I feel your frustration. I mentioned RFC 7208 before in this thread. If only people would read section 2.2 (https://tools.ietf.org/html/rfc7208#section-2.2) ff., to understand how SPF authorization works and where in the

Re: Forwarding mail without breaking SPF?

2019-11-27 Thread Matus UHLAR - fantomas
Den 26-11-2019 kl. 17:59 skrev Marek Kozlowski: OK. I do not insist on postsrsd. I'd really appreciate any suggestion: what can I use instaed of it - what do you recommend? On 11/26/19 2:07 PM, Benny Pedersen wrote: no one uses spf anymore incorrect. since it breaks mailling lists very

Re: Forwarding mail without breaking SPF?

2019-11-26 Thread Wesley Peng
Hello on 2019/11/27 12:20, Richard Damon wrote: DMARC/SPF, which only validates to the From: header will break. If the sender domain set up SPF to: v=spf1 ip4:0.0.0.0/0 ~all Will this pass through any SPF check? regards.

Re: Forwarding mail without breaking SPF?

2019-11-26 Thread Richard Damon
On 11/26/19 2:07 PM, Benny Pedersen wrote: > Den 26-11-2019 kl. 17:59 skrev Marek Kozlowski: > >> OK. I do not insist on postsrsd. I'd really appreciate any >> suggestion: what can I use instaed of it - what do you recommend? > > no one uses spf anymore since it breaks mailling lists very badly ?,

Re: Forwarding mail without breaking SPF?

2019-11-26 Thread Marek Kozlowski
:-) sender_canonical_maps = unionmap:{ldap:/etc/postfix/ldap-canonical.cf, ldap:/etc/postfix/ldap-canonical2.cf, tcp:127.0.0.1:10001} By design, unionmap can produce multiple results separated by comma. That would be wrong. > Why not: sender_canonical_maps =

Re: Forwarding mail without breaking SPF?

2019-11-26 Thread Wietse Venema
Marek Kozlowski: > :-) > > >> Some users forward their incoming mail to some external mail servers. > >> Unfortunately AFAIK with no action taken it may result in breaking the > >> SPF. The solution for this problem I know is rewriting addresses with > >> SRS (postsrsd). Unfortunately postsrsd

Re: Forwarding mail without breaking SPF?

2019-11-26 Thread Marek Kozlowski
:-) Some users forward their incoming mail to some external mail servers. Unfortunately AFAIK with no action taken it may result in breaking the SPF. The solution for this problem I know is rewriting addresses with SRS (postsrsd). Unfortunately postsrsd uses the same settings as canonicals do

Re: Forwarding mail without breaking SPF?

2019-11-26 Thread Wietse Venema
Marek Kozlowski: > :-) > > Some users forward their incoming mail to some external mail servers. > Unfortunately AFAIK with no action taken it may result in breaking the > SPF. The solution for this problem I know is rewriting addresses with > SRS (postsrsd). Unfortunately postsrsd uses the

Re: Forwarding mail without breaking SPF?

2019-11-26 Thread Benny Pedersen
Den 26-11-2019 kl. 17:59 skrev Marek Kozlowski: OK. I do not insist on postsrsd. I'd really appreciate any suggestion: what can I use instaed of it - what do you recommend? no one uses spf anymore since it breaks mailling lists very badly ?, postfix maillist have not even spf helo pass :)

Forwarding mail without breaking SPF?

2019-11-26 Thread Marek Kozlowski
:-) Some users forward their incoming mail to some external mail servers. Unfortunately AFAIK with no action taken it may result in breaking the SPF. The solution for this problem I know is rewriting addresses with SRS (postsrsd). Unfortunately postsrsd uses the same settings as canonicals