LTMPD rejecting large messages, maxmessagesize is _not_ set

Chris St. Pierre stpierre at NebrWesleyan.edu
Tue Jul 10 09:17:43 EDT 2007


LMTPD is rejecting large messages; I've been unable to figure out the
exact threshold, but I am seeing messages like this in my Postfix
logs:

Jun 28 20:23:12 vostok postfix/qmgr[9323]: 22F5373D6F6:
from=<sender at example.com>, size=16243464, nrcpt=1 (queue active)
Jun 28 20:23:22 vostok postfix/lmtp[13405]: warning: non-LMTP response
from imap.nebrwesleyan.edu[10.1.1.31]: sendmail: fatal:
sender at example.com(76): Message file too big

I have no maxmessagesize directive in my imapd.conf (which I've
included below for reference).  My reading of the man page indicates
that, with no maxmessagesize set, no messages should be rejected due
to size.  Any ideas?

Thanks!

############ imapd.conf #############
configdirectory: /var/lib/imap
partition-default: /var/spool/cyrus/imap
sievedir: /var/spool/cyrus/sieve
sendmail: /usr/sbin/sendmail
admins: cyradm
hashimapspool: true
sasl_pwcheck_method: saslauthd
sasl_mech_list: PLAIN
tls_cert_file: /usr/share/ssl/certs/server.crt
tls_key_file: /usr/share/ssl/certs/server.key
tls_ca_file: /usr/share/ssl/certs/ca-bundle.crt
ldap_uri: ldap://ldap.nebrwesleyan.edu
ldap_member_base: ou=people,o=nebrwesleyan.edu,o=isp
ldap_referrals: 1
createonpost: 1
autocreateinboxfolders: Junk Mail|Trash
autosubscribeinboxfolders: Junk Mail|Trash
autocreatequota: 102400
autocreate_sieve_script: /etc/default_filter.sieve
autocreate_sieve_compiledscript: /etc/default_filter.bc
anysievefolder: yes
foolstupidclients: 1
lmtp_downcase_rcpt: 1
unix_group_enable: 0
lmtp_over_quota_perm_failure: yes
#############################

Chris St. Pierre
Unix Systems Administrator
Nebraska Wesleyan University
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