On Tuesday, November 23, 2021 6:16:43 PM EST Wietse Venema wrote: > J?rgen Weber: > > From webe...@host.my.tld Sun Nov 21 19:11:19 2021 > > Return-Path: <webe...@host.my.tld> > > X-Original-To: maild@my.virtual > > Delivered-To: ma...@host.my.tld > > Received: by host.my.tld (Postfix, from userid 1001) > > id D3DFD783; Sun, 21 Nov 2021 19:11:19 +0100 (CET) > > The "id" line should start with tab or space. That's how > Postfix creates the line. > > > To: maild@my.virtual > > Subject: s1 > > Message-Id: <20211121181119.d3dfd...@host.my.tld> > > Date: Sun, 21 Nov 2021 19:11:19 +0100 (CET) > > From: J?rgen Weber <webe...@host.my.tld> > > Non-ASCII header text should be encoded with RFC 2o47. > > > Can you prevent Postfix from adding these lines? > > Use egrep. > > If Python's email.Parser can't handle non-ASCII headers, then you > should not use it for real email management.
It can. It has trouble with non-UTF-8 if you use the string type internally. You have to use byte strings and not everyone does. I think it's generally fine, but there are foot guns to watch out for. Scott K