Topic: iRedMail - Postfix - Error relay access denied
==== Required information ====
- iRedMail version: 0.8.5
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): MySQL
- Linux/BSD distribution name and version: Centos 6.4
- Related log if you're reporting an issue: Relay Access Denied
I understand that there are similar posts to my problem but I have tried all the solutions mentioned, including those on google, and still I cannot get around this error. So please help!
To begin with, by following the installation of iRedMail, it installs Postfix-2.6.6-2.3.el6.x86_64, I try upgrading that and for a bizare reason, it does not allow me-if you have any ideas please tell me how.
I have seen that changes have to be made to the main.cf under /etc/postfix/ and I have tried doing them, and it still does not work.
When I am simply trying to: #telnet <ip_of_my_mail_server> 25, whilst all going well and I can see the handshake and everything whilst checking the mail log, when I add the RCPT TO: ... I get this error:
from unknown[ip_of_server1]: 554 5.7.1 <firstname.lastname@example.org>: Relay access denied; from=<servername@company_name.com> to=<email@example.com> proto=SMTP helo=<mail_of_server1>
Any help or extra ideas ?
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