- Server operating system version
- Red Hat Enterprise Linux 8.6 (Ootpa)
- Plesk version and microupdate number
- Version 18.0.63 Update #4
Hi everyone,
I'm having consts issue with watchdog, as the alert email (for example for when Apache is down) is not being send with following errors:
And it keeps looping for a long time. But on the other hand, daily emails are being sent fine with the email that was setup in the watchdog settings.
What might be the problem with SMTP server here and how can it be fixed?
I'm having consts issue with watchdog, as the alert email (for example for when Apache is down) is not being send with following errors:
SMTP server refused receiving e-mail with subject 'Web Server (Apache) on ____ is down', the e-mail is discarded.
SMTP server error: '530-5.7.0 About SMTP error messages - Google Workspace Admin Help and review RFC 3207'
Trying to send using another server.
Connection to SMTP server has been closed.
SMTP server error: '530-5.7.0 About SMTP error messages - Google Workspace Admin Help and review RFC 3207'
Failed to connect to all SMTP servers.
Trying to send using another server.
And it keeps looping for a long time. But on the other hand, daily emails are being sent fine with the email that was setup in the watchdog settings.
What might be the problem with SMTP server here and how can it be fixed?