[CentOS] Mail has quit working

Mon Jul 23 22:47:02 UTC 2018
James (CentOS ML) <centos at edwards.technology>

On 2018-07-23 18:39, TE Dukes wrote:
> Hello,
> Mail has come to an abrupt stop. Running C7, postfix and dovecot. Using
> Roundcube as the client.
> Mail stopped working Saturday and I cannot figure was has happened. I 
> have
> not touched this server except to upgrade packages. I believe Roundcube 
> was
> updated maybe a week ago but know I was getting mail since then.
> Crond is no longer send mail. I checked /var/spool/mail as well as 
> /Maildir
> in home directories. Zero byte files.
> Checked all logs and the only thing I could find was  in 
> /var/log/maillog :
> warning hostname localhost does not resolve to address
> I corrected that by changing inet_interfaces to localhost from all in
> postfix.cf
> When I try to log in with Roundcube, it just times out.
> I'm stuck!
> TIA for any suggestions!!
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Are you sure you're not out of disk space?