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Some questions about a parameter

From: Ali Nebi (anebiiguanait.com)
Date: Wed Sep 12 2007 - 05:42:50 CDT


Hi,

i get this message several times in the maillog.
Sep 12 12:24:31 hermod postfix/lmtp[12112]: warning: to prevent loss of
mail, turn off command pipelining for /var/lib/imap/socket/lmtp with the
lmtp_discard_lhlo_keyword_address_maps parameter
Sep 12 12:24:31 hermod postfix/lmtp[12108]: warning: to prevent loss of
mail, turn off command pipelining for /var/lib/imap/socket/lmtp with the
lmtp_discard_lhlo_keyword_address_maps parameter
Sep 12 12:24:31 hermod postfix/lmtp[12112]: warning: non-LMTP response
from hermod.iguanait.com[/var/lib/imap/socket/lmtp]:
2aaaab391000-2aaaab392000 rw-p 2aaaab391000 00:00 0
Sep 12 12:24:31 hermod postfix/lmtp[12108]: warning: non-LMTP response
from hermod.iguanait.com[/var/lib/imap/socket/lmtp]:
2aaaaaad2000-2aaaaaad3000 rw-p 2aaaaaad2000 00:00 0

1. Where i have to write in main.cf this
lmtp_discard_lhlo_keyword_address_maps?

2. i have to set this parameter like this:
lmtp_discard_lhlo_keyword_address_maps = /var/lib/imap/socket/lmtp

3. How can i understand what is the real problem with this mail server.
We get these messages 3-4 days already and i can't understand where is
the problem :(

We have installed on fedora 6 - cyrus-imapd-2.3.9-6.fc6, postfix-2.3.3-2

These are the lines for transport:
default_transport = smtp
mailbox_transport = lmtp:unix:/var/lib/imap/socket/lmtp

Can you help me to solve this problem?

Thanks in advanced!