Re: Non-ASCII bytes in email header and similar

2019-11-18 Thread Wietse Venema
David B?rgin: > Looking for protocol expertise that some here might have ? > > I understand that email header content should contain 7-bit ASCII-only. It can be UTF8 if Postfix has SMTPUTF8 support enabled and the client specified the SMTPUTF8 request in the MAIL FROM command. > However, as an i

Non-ASCII bytes in email header and similar

2019-11-18 Thread David Bürgin
Looking for protocol expertise that some here might have … I understand that email header content should contain 7-bit ASCII-only. However, as an implementor of email software such as a milter, how do I best deal with non-conforming input? Say I receive a header line in my milter that isn’t ASCII