[pfx] Re: something like "enforce_mime_output_conversion"

2023-07-18 Thread Viktor Dukhovni via Postfix-users
On Tue, Jul 18, 2023 at 06:37:08PM -0400, Wietse Venema via Postfix-users wrote: > Turns out that this required very little code (basically one boolean > configuration parameter that controls a bitfield flag that is input > to the Postfix MIME processor. Preliminary manpage text is below. Cool!

[pfx] Re: something like "enforce_mime_output_conversion"

2023-07-18 Thread Wietse Venema via Postfix-users
Wietse Venema via Postfix-users: > Tinne11 via Postfix-users: > > Is there some parameter which could have been named > > enforce_mime_output_conversion in analogy to disable_mime_output_conversion > > or some other way to configure this? > > It would avoid the need for (null) content filters that

[pfx] Re: something like "enforce_mime_output_conversion"

2023-07-18 Thread Viktor Dukhovni via Postfix-users
On Tue, Jul 18, 2023 at 11:29:20AM -0400, Wietse Venema via Postfix-users wrote: > This can work with the 'advanced' example in FILTER_README: > > main.cf: > content_filter = smtp-7bit:127.0.0.1:10025 > > master.cf: > smtp-7bit .. .. .. .. .. .. smtp >-o { smt

[pfx] Re: something like "enforce_mime_output_conversion"

2023-07-18 Thread Wietse Venema via Postfix-users
Tinne11 via Postfix-users: > Is there some parameter which could have been named > enforce_mime_output_conversion in analogy to disable_mime_output_conversion > or some other way to configure this? It would avoid the need for (null) content filters that I discuss in my other response. However this

[pfx] Re: something like "enforce_mime_output_conversion"

2023-07-18 Thread Wietse Venema via Postfix-users
Viktor Dukhovni via Postfix-users: > On Tue, Jul 18, 2023 at 01:43:46PM +0200, Tinne11 via Postfix-users wrote: > > > In order to follow this recommendation, a Postfix MSA (being part of a > > system DKIM-signing outbound messages) needs to be configured to convert all > > submitted 8-bit messages

[pfx] Re: something like "enforce_mime_output_conversion"

2023-07-18 Thread Viktor Dukhovni via Postfix-users
On Tue, Jul 18, 2023 at 01:43:46PM +0200, Tinne11 via Postfix-users wrote: > In order to follow this recommendation, a Postfix MSA (being part of a > system DKIM-signing outbound messages) needs to be configured to convert all > submitted 8-bit messages to 7-bit (base64 or Quoted-Printable). Is th

[pfx] something like "enforce_mime_output_conversion"

2023-07-18 Thread Tinne11 via Postfix-users
Hello The Internet standard RFC 6376 (DKIM) recommends that messages to be signed "SHOULD be converted to 7-bit MIME by an MUA or MSA prior to presentation to the DKIM algorithm." (s. ). In order to follow this recommendation, a Postfix MSA (bei

[pfx] Re: smtpd_sender_restrictions and spoofing

2023-07-18 Thread Emmanuel Seyman via Postfix-users
* Emmanuel Seyman via Postfix-users [18/07/2023 11:19] : > > @mydomain.comREJECT > @anotherdomain.com REJECT Removing the '@' makes the list work. Emmanuel ___ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an e

[pfx] smtpd_sender_restrictions and spoofing

2023-07-18 Thread Emmanuel Seyman via Postfix-users
Hello, folks. I use postfix on two mail gateways and I'm seeing inbound mail using one of my domains. I thought I could block this using smtpd_sender_restrictions but, even after adding the following line to /etc/postfix/main.cf: smtpd_sender_restrictions = permit_mynetworks, \