Topic: SMTP Error (250): authentication failure
==== REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER ====
- iRedMail version (check /etc/iredmail-release): 1.3.1 mariadb edition
- Deployed with iRedMail Easy or the downloadable installer? downloadable installer
- Linux/BSD distribution name and version: centos 7.6
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): mysql
- Web server (Apache or Nginx): apache
- Manage mail accounts with iRedAdmin-Pro? no
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====
When I try to send email, I always get error
SMTP Error (250): authentication failure
Authentication failure: SMTP server does not support authentication (Code: ) in /opt/www/roundcubemail-1.4.10/program/lib/Roundcube/rcube.php on line 1702 (POST /?_task=mail&_unlock=loading1627647071506&_framed=1&_lang=sl&_action=send)
[30-Jul-2021 12:11:13 +0000]: <joo5kj1g> PHP Error: Failed to load config from /opt/www/roundcubemail/plugins/additional_message_headers/config.inc.php in /opt/www/roundcubemail-1.4.10/program/lib/Roundcube/rcube_plugin.php on line 165 (POST /?_task=mail&_unlock=loading1627647073244&_framed=1&_lang=sl&_action=send)
[30-Jul-2021 12:11:13 +0000]: <joo5kj1g> PHP Error: SMTP server does not support authentication (POST /?_task=mail&_unlock=loading1627647073244&_framed=1&_lang=sl&_action=send)
[30-Jul-2021 12:11:13 +0000]: <joo5kj1g> SMTP Error: Authentication failure: SMTP server does not support authentication (Code: ) in /opt/www/roundcubemail-1.4.10/program/lib/Roundcube/rcube.php on line 1702 (POST /?_task=mail&_unlock=loading1627647073244&_framed=1&_lang=sl&_action=send)
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