The docs on Sending E-mail Notices say:
This is incorrect, the "John Doe <admin@pleskserver.com>" format is not accepted. Only the admin@pleskserver.com format is accepted.
You can specify name, e-mail address or both. To specify both name and e-mail address, use the following format: Name <your@e-mail.address>. For example: John Doe <admin@pleskserver.com>.
This is incorrect, the "John Doe <admin@pleskserver.com>" format is not accepted. Only the admin@pleskserver.com format is accepted.