> -----Original Message----- > From: CentOS [mailto:centos-bounces at centos.org] On Behalf Of Pete Biggs > Sent: Friday, August 24, 2018 10:00 AM > To: centos at centos.org > Subject: Re: [CentOS] Mail has quit working > > > > Here's the link for the maillog: > > > > https://paste.fedoraproject.org/paste/kbH2N9Pc~JPuCqVpE1kszQ > > OK. There are a couple of things: > > Aug 23 21:47:18 ts130 postfix/smtpd[3750]: warning: hostname localhost > does not resolve to address 127.0.0.1 > Aug 23 21:47:18 ts130 postfix/smtpd[3750]: connect from > unknown[127.0.0.1] > > That needs to be fixed. What does the entry for 127.0.0.1 look like in > /etc/hosts? Have you also defined ::1 to be localhost in /etc/hosts? 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 192.168.1.110 ts130.palmettodomains.com ts130 192.168.1.110 mail.palmettodomains.com mail # ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 192.168.1.102 edukes1.palmettodomains.com edukes1 192.168.1.105 hp8200.palmettodomains.com hp8200 > > > Aug 23 21:47:21 ts130 dovecot: imap-login: Login: user=<tdukes>, > method=PLAIN, rip=::1, lip=::1, mpid=3754, secured, > session=<9W1yjiR08AAAAAAAAAAAAAAAAAAAAAAB> > > So you are connecting over TCPv6 from roundcube to dovecot? Is that > what you want? I have IPV6 disabled (I think). > What is the IMAP hostname in the roundcube configuration? > > P. // IMAP // ---------------------------------- // The mail host chosen to perform the log-in. // Leave blank to show a textbox at login, give a list of hosts // to display a pulldown menu or set one host as string. // To use SSL/TLS connection, enter hostname with prefix ssl:// or tls:// // Supported replacement variables: // %n - hostname ($_SERVER['SERVER_NAME']) // %t - hostname without the first part // %d - domain (http hostname $_SERVER['HTTP_HOST'] without the first part) // %s - domain name after the '@' from e-mail address provided at login screen // For example %n = mail.domain.tld, %t = domain.tld // WARNING: After hostname change update of mail_host column in users table is // required to match old user data records with the new host. $config['default_host'] = 'localhost'; TIA