Email Client (outlook) Could not access to IMAP or POP3 (CentOS7 with Virtualmin)

May 1st, 2017 by Nov Piseth Leave a reply »

I was found the problem when I installed CentOS 7.x 64bits with Virtualmin ( please search wiki for keywork virtualmin for more detail)

Error Found:

I was check the log on server with email log I found below error:

Apr 27 06:16:20 box185 dovecot: imap-login: Login: user=<piseth.mydomain.com>, method=PLAIN, rip=xx.xxx.xx.xx, lip=yy.yyy.yyy.yyy, mpid=5259, TLS, session=<ZTcbOB5OtQAxnC8O>

Apr 27 06:16:20 box185 dovecot: imap: Error: user piseth.mydomain.com: Mail access for users with UID 501 not permitted (see first_valid_uid in config file, uid from userdb lookup).

Apr 27 06:16:20 box185 dovecot: imap: Error: Invalid user settings. Refer to server log for more information.

 Solution:

I was logged in to root account of virtualmin and Click Webmin à Servers à Dovecot IMAP/POP3 Server à User Login and Options at option call Minimum valid UID change from 1000 to Default.

Note:

  • I think CentOS 6.x with Virtualmin have no problem.
  • this is my solution but you can find other solution better than this.

 

 

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