
Here are some of them which you can encounter with your Outlook: Microsoft has mentioned multiple issues related to the updates. Although there will be no issue in configuring the IMAP account, it will not synchronize with the Outlook 2013 or Microsoft 365. When the user installs them, they will create synchronization issues for Outlook 2013 and Microsoft 365. The main culprit behind the synchronization issue is a security update (KB2837618 or KB2837643). The reasons behind the synchronization issues There may be no problem with the configuration, but the updates may remain incompatible with Outlook 2013 and Outlook Office 365 and create the synchronization issues.

After installing these updates, there may be synchronization problems with Outlook 2013 and Office 365.

For example, consider the updates like KB2837618 or KB2837643 for Outlook. These updates enhance the performance of Outlook and better email communication.īut sometimes there are some updates which make the adverse effect. But, the user also needs to update the Outlook application according to the latest updates from Microsoft. The user should synchronize each account with the server and apply proper settings to be able to send/receive messages.

Apr 21 01:15:24 server dovecot: imap(_cpanel_service_auth_imap_hta0st16joebio5ssfuhrqxtqvpvjixqtt0nuci53bbjlm7wywz0iuabyfscn1w): Disconnected: Logged out in=11, out=434, bytes=11/434Īpr 21 01:18:13 server dovecot: imap-login: Disconnected: Too many invalid commands (no auth attempts in 54 secs): user=, rip=xxx.ext_ip.xxx.xxx, lip=xxx.int_ip.xxx.xxx, session=Īpr 21 01:20:23 server spamc: connect to spamd on ::1 failed, retrying (#1 of 3): Connection refusedĪpr 21 01:20:23 server spamd: spamd: connection from localhost :56103 to port 783, fd 5Īpr 21 01:20:23 server spamd: spamd: setuid to cpanel succeededĪpr 21 01:20:23 server spamd: spamd: processing message for cpanel:32001Īpr 21 01:20:24 server spamd: spamd: identified spam (1000.0/5.0) for cpanel:32001 in 0.6 seconds, 834 bytes.Īpr 21 01:20:24 server spamd: spamd: result: Y 999 - GTUBE,NO_RECEIVED,NO_RELAYS scantime=0.6,size=834,user=cpanel,uid=32001,required_score=5.0,rhost=localhost,raddr=127.0.0.1,rport=56103,mid=,autolearn=no autolearn_force=no,shortcircuit=noĪpr 21 01:20:24 server spamd: prefork: child states: IĪpr 21 01:20:24 server dovecot: pop3-login: Aborted login (no auth attempts in 0 secs): user=, rip=127.0.0.1, lip=127.0.0.1, secured, session=Īpr 21 01:20:25 server dovecot: imap-login: Login: user=, method=PLAIN, rip=127.0.0.1, lip=127.0.0.An Outlook application can cater to multiple accounts from different email servers like IMAP, POP, Exchange Server, and Office 365.
