lost connection after STARTTLS from localhost[127.0.0.1]

2018-12-17 Thread wp.rauchholz
Good day. I am trying to get a webmail client up and running. It works fine w/o security settings. But when I try to implement SATARTTLS on port 587 I lose connection to localhost as described in Subject. My config is the following: CENTOS 7.6, postfix-2.10.1-7.el7.x86_64, dovecot-2.2.36-3.el7.x

Relay access denied

2018-11-28 Thread wp.rauchholz
All goolging has not helped. I hope to find here the solution. Thanks in advance for your help. Wolfgang * Background: Getting error message: Relay access denied The following command works fine: telenet localhost 25 The following command cretes above mentioned error message when entering "rcpt t

Can't connect to server / migrating to iptables

2018-03-12 Thread wp.rauchholz
I run my mail server on CENTOS 7. The server is modem/router and as such has two NICs; internal and external. Since migrating to iptables, I cannot access the mail server anymore; nor telnet, neither web client. My webserver works just fine. I can't find an error message in /var/log/maillog or /var