Client shows null Sender & date

Reindl Harald h.reindl at
Fri Jan 23 16:04:11 UTC 2015

Am 23.01.2015 um 16:06 schrieb John Hendrich:
> I'm using Postfix and Dovecot 2.0.19 and Virtual domains & users
> (mysql).  Incoming mail is handled by Postfix and then handed off to
> Dovecot LMTP for delivery.  However, the Sender and Date are essentially
> null when viewing the email with either the POP3 or IMAP client.  The
> logs (below) show this.  I changed the sender and recipient addresses
> for privacy.
> Jan 23 08:42:07 klsrv postfix/cleanup[10842]: 1F907F00276: message-id=<>
> Jan 23 08:42:07 klsrv postfix/qmgr[4889]: 1F907F00276:
> from=<sender at>, size=217, nrcpt=1 (queue active)
> You can see that Postfix accepts the incoming mail (from
> sender at and then the message is handed to Dovecot LMTP.  But
> the from=: should be "from=sender at".
> Postfix / qmgr has the sender listed (from=<sender at>) but no
> sender (from=) is seen in LMTP log output.  My LMTP is setup to use UNIX
> sockets, not the INET socket

you need to understand e-mail basics

what you see in the postfix logs is the *envelope sender*
what you miss in the message is the non-existent To-HEADER

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