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<body><div style="font-family:Arial;">What is Cyrus syslogging?<br></div>
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<div>On Tue, 11 Apr 2017, at 15:16, Anton Shilov via Info-cyrus wrote:<br></div>
<blockquote type="cite"><p style=""><span class="font" style="font-family:Arial,Tahoma,Verdana,sans-serif">Users cannot access to their imap-folders.</span><br></p><p style=""><span class="font" style="font-family:Arial,Tahoma,Verdana,sans-serif">Sometimes (once or twice a week) users complains that they cannot connect to their mailboxes and read emails. At the same time I see such records in maillog:</span><br></p><p style=""><span class="font" style="font-family:Arial,Tahoma,Verdana,sans-serif">"Apr 10 15:01:01 mailserv postfix/lmtp[22843]: D64651001D37: to=<<a style="color:rgb(0, 119, 204);" href="https://e.mail.ru/compose?To=user@mailserv.example.com">user@mailserv.example.com</a>>, orig_to=<<a style="color:rgb(0, 119, 204);" href="https://e.mail.ru/compose?To=user@example.com">user@example.com</a>>, relay=mailserv.example.com[/var/lib/imap/socket/lmtp], delay=300, delays=0.13/0/0/300, dsn=4.4.2, status=deferred (conversation with mailserv.example.com[/var/lib/imap/socket/lmtp] timed out while sending MAIL FROM)ยป.<br>It means mail queue increases</span></p><p style=""><span class="font" style="font-family:Arial,Tahoma,Verdana,sans-serif">Also I find out lots of "PID-files" in /dev/shm/cyrus-imapd/proc which don't contain info of linked imap-folder. For example: <br>"pc-user.example.com [192.168.0.11] user"</span></p><p style=""><span class="font" style="font-family:Arial,Tahoma,Verdana,sans-serif">It's unhealthy situation and I don't understannd what reason is. In order to help users I just kill their IMAP-process and make reconstruct mailbox. Please help me with investigation of the problems.</span><br></p><p style=""><span class="font" style="font-family:Arial,Tahoma,Verdana,sans-serif">My setup is:<br>--------------------------------------------</span></p><p style=""><span class="font" style="font-family:Arial,Tahoma,Verdana,sans-serif">Static hostname: mailserv<br>Icon name: computer-vm<br>Chassis: vm<br>Machine ID: cbb779ad0b103a10ec75c10c452e0f71<br>Boot ID: c31a27599dc84971902e6c70dca26c18<br>Virtualization: kvm<br>Operating System: CentOS Linux 7 (Core)<br>CPE OS Name: cpe:/o:centos:centos:7<br>Kernel: Linux 3.10.0-514.6.1.el7.x86_64<br>Architecture: x86-64</span></p><p style=""><span class="font" style="font-family:Arial,Tahoma,Verdana,sans-serif">--------------------------------------------<br>name : Cyrus IMAPD<br>version : v2.4.17-Fedora-RPM-2.4.17-8.el7_1 d1df8aff 2012-12-01<br>vendor : Project Cyrus<br>support-url: <a style="color:rgb(0, 119, 204);" href="http://www.cyrusimap.org/">http://www.cyrusimap.org</a><br>os : Linux<br>os-version : 3.10.0-514.6.1.el7.x86_64<br>environment: Built w/Cyrus SASL 2.1.26<br>Running w/Cyrus SASL 2.1.26<br>Built w/Berkeley DB 5.3.21: (May 11, 2012)<br>Running w/Berkeley DB 5.3.21: (May 11, 2012)<br>Built w/OpenSSL 1.0.1e-fips 11 Feb 2013<br>Running w/OpenSSL 1.0.1e-fips 11 Feb 2013<br>Built w/zlib 1.2.7<br>Running w/zlib 1.2.7<br>CMU Sieve 2.4<br>TCP Wrappers<br>NET-SNMP<br>mmap = shared<br>lock = fcntl<br>nonblock = fcntl<br>idle = idled</span></p><p style=""><span class="font" style="font-family:Arial,Tahoma,Verdana,sans-serif">Server Wide:<br>freespace: 1820105352<br>------------------------------------</span></p><p style=""><span class="font" style="font-family:Arial,Tahoma,Verdana,sans-serif">imapd.conf<br>------------------------------------<br>debug: no<br>commandmintimer: 2<br>configdirectory: /var/lib/imap<br>partition-default: /var/spool/mail<br>proc_path: /dev/shm/cyrus-imapd/proc<br>mboxname_lockpath: /dev/shm/cyrus-imapd/mboxname_lock<br>duplicate_db_path: /dev/shm/cyrus-imapd/duplicate_db<br>statuscache_db_path: /dev/shm/cyrus-imapd/statuscache_db<br>allowplaintext: yes<br>allowallsubscribe: yes<br>allowusermoves: yes<br>imapidlepoll: 10<br>idlemethod: idled<br>imapidresponse: yes<br>admins: cyrus<br>lmtp_admins: cyrus<br>singleinstancestore: yes<br>duplicatesuppression: yes<br>reject8bit: no<br>pass8bit: yes<br>munge8bit: no<br>lmtp_downcase_rcpt: no<br>sieveusehomedir: false<br>sievedir: /var/lib/imap/sieve<br>duplicate_db: skiplist<br>mboxlist_db: skiplist<br>postmaster: postmaster<br>postuser: shared<br>lmtp_over_quota_perm_failure: yes<br>lmtp_strict_quota: yes<br>quotawarn: 98<br>sendmail: /usr/sbin/sendmail<br>hashimapspool: 0<br>sasl_pwcheck_method: saslauthd<br>sasl_mech_list: PLAIN LOGIN<br>tls_cert_file: /var/lib/imap/SSL.crt<br>tls_key_file: /var/lib/imap/SSL.key<br>tls_ca_file: /var/lib/imap/CA_SSL.crt<br>tls_ca_path: /var/lib/imap<br>tcp_keepalive: yes<br>tcp_keepalive_cnt: 3<br>tcp_keepalive_intvl: 10<br>tcp_keepalive_idle: 180<br>temp_path: /tmp<br>telemetry_bysessionid: yes<br>timeout: 40<br>imapidletimeout: 0<br>expunge_mode: delayed<br>expunge_days: 30<br>deletedprefix: DELETED<br>delete_mode: immediate<br>flushseenstate: 1<br>-------------------------------------------<br>cyrus.conf<br>-------------------------------------------<br>START {<br>recover<----->cmd="ctl_cyrusdb -r"<br>idled><------>cmd="idled"<br>}</span></p><p style=""><span class="font" style="font-family:Arial,Tahoma,Verdana,sans-serif">SERVICES {<br>imap cmd="imapd" listen="imap" proto=tcp4 prefork=5<br>imaps cmd="imapd -s" listen="imaps" proto=tcp4 prefork=10<br>pop3 cmd="pop3d" listen="pop3" proto=tcp4 prefork=3<br>pop3s cmd="pop3d -s" listen="pop3s" proto=tcp4 prefork=3<br>sieve cmd="timsieved" listen="sieve" proto=tcp4 prefork=0<br>lmtpunix<---->cmd="lmtpd" listen="/var/lib/imap/socket/lmtp" prefork=1<br>..<br>}</span></p><p style=""><span class="font" style="font-family:Arial,Tahoma,Verdana,sans-serif">EVENTS {<br>checkpoint<-->cmd="ctl_cyrusdb -c" period=30<br>delprune<---->cmd="cyr_expire -E 3" at=0400<br>tlsprune<---->cmd="tls_prune" at=0400<br>squatter cmd="squatter -i" at=0600</span></p><p style=""><span class="font" style="font-family:Arial,Tahoma,Verdana,sans-serif">}</span><br></p><div style="font-family:Arial;"><br></div>
<div style="font-family:Arial;"><span class="font" style="font-family:Arial,Tahoma,Verdana,sans-serif">--------</span><br></div>
<div style="font-family:Arial;"><span class="font" style="font-family:Arial,Tahoma,Verdana,sans-serif">Best regards, Anton</span><br></div>
<div style="font-family:Arial;"><span class="font" style="font-family:Arial,Tahoma,Verdana,sans-serif">2017-Apr-11</span><br></div>
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<div style="font-family:Arial;"> <br></div>
<div>----<br></div>
<div>Cyrus Home Page: <a href="http://www.cyrusimap.org/">http://www.cyrusimap.org/</a><br></div>
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</blockquote><div style="font-family:Arial;"><br></div>
<div id="sig567075"><div class="signature">--<br></div>
<div class="signature">  Bron Gondwana<br></div>
<div class="signature">  brong@fastmail.fm<br></div>
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