Am 24.01.2015 um 16:10 schrieb Timothy Murphy: > I'm getting repeated email (KMail) error messages > about one apparently over-large post: > -------------------------- > Received: from helen.gayleard.com (localhost.localdomain [127.0.0.1]) by > helen.gayleard.com (Postfix) with ESMTP id E4500294A0 for > <tim at helen.gayleard.com>; Sat, 24 Jan 2015 14:00:05 +0000 (GMT) > Received: (from tim at localhost) by helen.gayleard.com (8.14.4/8.14.4/Submit) > id t0OE02Ie006372; Sat, 24 Jan 2015 14:00:02 GMT > Date: Sat, 24 Jan 2015 14:00:02 +0000 > X-Authentication-Warning: helen.gayleard.com: tim set sender to root using - > f That's Sendmail, NOT Postfix! > From: Cron Daemon <root at helen.gayleard.com> > To: tim at helen.gayleard.com > Subject: Cron <tim at helen> /usr/bin/fetchmail -s mail.eircom.net > > fetchmail: SMTP error: 552 5.3.4 Message size exceeds fixed limit > fetchmail: mail from MAILER-DAEMON at helen.gayleard.com bounced to > biblioteca at comune.anghiari.ar.it > -------------------------- > I've appended > mailbox_size_limit = 20000000 > to /etc/posfix/main.cf (and re-started postfix) > but this does not seem to have done the trick. main.cf doesn't matter because Sendmail is the MTA acting here. > I get this email by fetchmail, and it goes to dovecot > from which I retrieve it on my laptop. > So I'm not entirely clear where the problem occurs. > > I would delete the email if I could find it, > but it does not appear to be in my Maildir, or in /var/spool/ . > > Is there some way I can stop these messages, please? See above comments. If you want to run Postfix instead of Sendmail, then run alternatives --config mta and set Postfix to be the active MTA. Alexander