Re: Authenticating 'From' header to match envelope

2018-10-03 Thread Tobi
> when in Thunderbird someone uses the "Custom From Address" feature, it > doesn't change the envelope sender, but only the actual "From" header > field are you sure? I just tested with my TB (60.0) under Linux (Fedora 28) and found that both (envelope from and from header) are changed to the

Re: Authenticating 'From' header to match envelope

2018-10-03 Thread Stefan Bauer
Johannes, did you double check if your planned setup will not break other things? Have similar needs but am not yet deep enough into mail to see possible pitfalls. Stefan Am Dienstag, 2. Oktober 2018 schrieb Johannes Bauer : > Hi list, > > I'm having an issue with my Postfix configuration:

Re: Authenticating 'From' header to match envelope

2018-10-02 Thread Ralph Seichter
On 02.10.2018 12:48, Johannes Bauer wrote: > Once authenticated with m...@foo.com, the envelope sender ("MAIL > FROM") is restricted to only the permissible variants. [...] > > How can I ensure in the future that the same checks are applied to the > Header "From" field that are also applied to

Re: Authenticating 'From' header to match envelope

2018-10-02 Thread Wietse Venema
Johannes Bauer: > How can I ensure in the future that the same checks are applied to the > Header "From" field that are also applied to the evelope "From" field? Use an external content filter. BTW this email will be delivered with Envelope from = owner-postfix-us...@postfix.org, and from Header

Authenticating 'From' header to match envelope

2018-10-02 Thread Johannes Bauer
Hi list, I'm having an issue with my Postfix configuration: Currently I've it set up so that one authentication SASL login (e.g., m...@foo.com) supports multiple virtual email addresses (e.g., m...@foo.com but also f...@foo.com, b...@foo.com). Once authenticated with m...@foo.com, the envelope