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@xxxxxxxxxxx>, 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@xxxxxxxxxxx(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 ---------------------------- LOPSA Sysadmin Days: Professional Training for Professional SysAdmins August 6-7, Cherry Hill, NJ http://lopsa.org/SysadminDays ---- Cyrus Home Page: http://cyrusimap.web.cmu.edu/ Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html