Topic: Lots of strange records in /var/log/secure
==== Required information ====
- iRedMail version: 0.8.6
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): mysql
- Linux/BSD distribution name and version: centos 6.5
- Related log if you're reporting an issue: /var/log/secure
My /var/log/secure is full of such records with different usernames
Mar 20 17:37:08 mail auth: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot email@example.com rhost=X.X.X.X Mar 20 17:37:08 mail auth: pam_succeed_if(dovecot:auth): error retrieving information about user firstname.lastname@example.org Mar 20 17:37:09 mail auth: pam_unix(dovecot:auth): check pass; user unknown
What can cause them.
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