Question 503 error problem for webmail

[KONE OUMAR]

Server operating system version

debian 11

Plesk version and microupdate number

Version 18.0.61 Update #4, last updated on May 30, 2024 11:08 AM

Hello,
since one week, we have more times the 503 error for webmail of all domains on mu server. How can we resolve this problem?. Please help us.
regards

 

[Kaspar@Plesk]

Webmail for all domains on the server? Or just for one specific domain?

 

[KONE OUMAR]

webmail for all domains

 

[Kaspar@Plesk]

I suggest contacting Plesk support for an investigation on your server. To sign-in to support please go to https://support.plesk.com

If you bought your license from a reseller, your reseller should provide support for you. If the reseller does not provide support, here is an alternative:
https://support.plesk.com/hc/en-us/articles/12388090147095-How-to-get-support-directly-from-Plesk