Email send limit set by IP address
Implement outgoing email limits by IP
Thank you for your input! We will consider this functionality in upcoming releases if it will be popular. Everyone, please continue voting for this feature if you consider it important.
I think that the feature is very important if some mailbox password is revealed. Any malware could send mail with correct user and password using forged email headers and multi-CC to trying and get around the Plesk email limits.