suddenly 'User unknown'?

[Dan White]

On 11/28/18 15:21 +0000, Charles Bradshaw via Info-cyrus wrote:
>My tests while logged in to the server as brad:
>
>[root at dell2600-1 brad]# cat /var/log/maillog
>Nov 27 15:18:35 dell2600-1 sendmail[4798]: wARFIZXZ004798: from=brad,
>size=44, class=0, nrcpts=1,
>msgid=<201811271518.wARFIZXZ004798 at bradcan.homelinux.com>,
>relay=brad at localhost
>Nov 27 15:18:35 dell2600-1 sendmail[4799]: wARFIZvh004799: from=<brad at bradcan.homelinux.com>, size=358, class=0, nrcpts=1, msgid=<201811271518.wARFIZXZ004798 at bradcan.homelinux.com>, proto=ESMTP, daemon=MTA, relay=localhost.localdomain [127.0.0.1]
>Nov 27 15:18:36 dell2600-1 sendmail[4798]: wARFIZXZ004798:
>to=brad at bradcan.homelinux.com, ctladdr=brad (500/500), delay=00:00:01, xdelay=00:00:01, mailer=relay, pri=30044, relay=[127.0.0.1] [127.0.0.1], dsn=2.0.0, stat=Sent (wARFIZvh004799 Message accepted for delivery)
>
>Nov 27 15:18:36 dell2600-1 sendmail[4801]: AUTH=client, relay=localhost, mech=, bits=0
>Nov 27 15:18:36 dell2600-1 sendmail[4801]: wARFIZvh004799: to=<brad at bradcan.homelinux.com>, delay=00:00:01, xdelay=00:00:00, mailer=cyrusv2, pri=120358, relay=localhost, dsn=5.1.1, stat=User unknown
>Nov 27 15:18:36 dell2600-1 sendmail[4801]: wARFIZvh004799: wARFIavg004801: DSN: User unknown
>
>Nov 27 15:18:36 dell2600-1 sendmail[4801]: wARFIavg004801: to=<brad at bradcan.homelinux.com>, delay=00:00:00, xdelay=00:00:00, mailer=cyrusv2, pri=31677, relay=localhost [[UNIX: /var/lib/imap/socket/lmtp]], dsn=5.1.1, stat=User unknown

What do your cyrus syslog entries say?

>What cyradmin says:
>
>localhost.localdomain> ver
>name       : Cyrus IMAPD
>version    : v2.4.17-Invoca-RPM-2.4.17-7.el6 d1df8aff 2012-12-01
>
>localhost.localdomain> info user/brad at bradcan.homelinux.com
>{user/brad at bradcan.homelinux.com}:
>  duplicatedeliver: false
>  lastpop: 24-Oct-2013 21:04:43 +0100
>  lastupdate: 27-Nov-2018 04:00:00 +0000
>  partition: default
>  pop3newuidl: true
>  sharedseen: false
>  size: 8489796

Does the output of 'lm' look correct?

>and /etc/imapd.conf
>[root at dell2600-1 brad]# cat /etc/imapd.conf
>configdirectory: /var/lib/imap
>partition-default: /var/spool/imap
>admins: cyrus
>sievedir: /var/lib/imap/sieve
>sendmail: /usr/sbin/sendmail
>hashimapspool: true
>sasl_pwcheck_method: auxprop
>#
>sasl_auxprop_plugin:sql
>#
>allowplaintext: no
>unixhierarchysep: yes
>virtdomains: userid
>#

-- 
Dan White