Hadmut Danisch <had...@danisch.de> wrote: > just a simple question about dovecot: > > The mbox file format contains the SMTP envelope sender and transmission > date in a FROM ... line preceding the RFC822 mail header and body. > > As far as I see at the moment, the IMAP protocol does not support > transmission of that SMTP envelope data in either way, but confusingly > uses the term „envelope” for a structure describing the RFC822 mail header. > > My question is, whether there is any way to retrieve the SMTP envelope > through dovecot's IMAP anyway, maybe through some extension.
Almost all MTA copy "(SMTP) envelope sender" to Return-Path: header before delivery to the final mailbox. If you do not get Return-Path: header in messages delivered to your (dovecot) mailbox then name your MTA (exim/postfix/sendmail/.....). -- [pl>en: Andrew] Andrzej Adam Filip : a...@onet.eu You are absolute plate-glass. I see to the very back of your mind. -- Sherlock Holmes