Hi I have installed iREDmail using this guide Set Up A Full-Featured Mail Server With iRedOS: MySQL, Postfix, Dovecot, ClamAV, SpamAssassin, Amavisd, RoundCube/SquirrelMail I dont seem to have any issues except with the sending or receipt of mails? I am testing this on VMware and have installed the system with a no-ip subdomain. mysite.zapto.org the hostname of the mail server is mail.mysite.zapto.org I have added the A host record to no-ip and under it the MX record for mail.mysite.zapto.org I have the VM in DMZ so i can access the apache start page as well as the control panel for postfix etc. When i try to send/receive mail the connection seems to be getting timed out. ] Here is my dig records: Code: [[email protected] What could the problem be? here is my postconf -n output: Code: [[email protected] if anyone can shed some light on what might be causing this i would be very greatful. thanks *I just noticed that the domain portion is being truncated possibly because it is expecting a tld.xyz and not a subdomain. it seems to have removed the .org. Is it possible to setup this type of config with a subdomain?