Unable to remove IP address when it is used for Send mail from specific IP feature: The IP address 203.0.113.2 is already used for hosting

Ivan Kamnev

Updated August 20, 2021 05:15

Plesk for Linux kb: fixed kb: bug ABT: Group A

Applicable to:

In an attempt to remove 203.0.113.2 IP address in Plesk > Tools & Settings > IP Addresses, the following error is shown and as result, it is not clear where the affected IP address is used:

PLESK_ERROR: The IP address 203.0.113.2 is already used for hosting
This address is not used by any domains or resellers.
The 203.0.113.2 IP address is set in Tools & Settings > Mail Server Settings > Send mail from specific IP.

Product issue:

#PPPM-7984 "Improved a confusing error message. When users try to remove an IP address used by the mail server, Plesk no longer incorrectly notifies that the IP address is used for hosting."
Fixed in:
- Plesk Obsidian 20 April 2021

Please consider updating your server:

If update is not possible for some reason you may try the following

workaround

Log in to Plesk.
Go to Tools & Settings > Mail Server Settings > Outgoing mail mode.
Select the Send from domain IP addresses option:
Click on the screenshot below to expand
Scroll down and press the OK button to apply the changes.