When I logging into the Plesk CP and creating a user or domain, this error message appears right after creation: “Internal Plesk error occurred: Unable to send notification: mail() failed:”

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APPLIES TO:

* Plesk 7.5.4 Reloaded
* Plesk 8.x for Linux/Unix

SYMPTOMS

Additionally the following errors may be shown:

Failed to connect to mailserver

SMTP server response: 550

Empty error message from utility.

CAUSE
This error means that Plesk failed to send notification for some reasons.
RESOLUTION

First of all make sure that Plesk SMTP server functioning properly as described in 1387.

Also, check Plesk Notifications configuration on the Server->Notification page in Plesk CP. Make sure that all mail addresses notification are configured to sent to are valid and there are no empty Email fields with enabled notifications checkbox.

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