How to black list/whitelist particular mailid in plesk control panel ?
Kindly follow the below procedure to blacklist/whitelist particular mail id in plesk control panel.
[1] Login to your Plesk Control Panel
[2] After logging in, click on the Mail tab
[3] Next, click on the Email address you want to implement Whitelist / Blacklist SPAM filtering
[4] Next, click on the Spam Filter tab.
[5] Select the checkbox Switch on spam filtering for this email address.
[6] Specify what to do with messages classified as spam
(a) If you want to filter mail with the software on your local computer, select the option Mark spam messages by adding the following text to message subject, and then specify how spam filter should mark the messages recognized as spam. “X-Spam-Flag: YES” and “X-Spam-Status: Yes” headers are added to the message source by default, and if you want, the spam filter will also add a specific text string to the beginning of the subject line and to the message body.
(b) If you are sure that your spam filter is accurate, you may want to set the filter to automatically delete all incoming messages recognized as spam. To do this, select the option Delete all spam messages.
(c) When the option Move spam to the Spam folder is selected, you can train the spam filter and improve its accuracy by moving spam messages from Inbox to Spam, and non-spam messages from Spam to Inbox.
(d) If the spam filter misses many spam messages or gives many false positives, you need to adjust the filter sensitivity. To do so, click Show Advanced Settings and type in the desired value in the Spam filter sensitivity field.
(e) If you want to be sure that you will not miss email from specific senders, type email addresses or domain names into the White list field.
To assure mail reception from specific servers or networks:
[1] Go to Tools & Settings > Mail Server Settings (in the Mail group).
[2] Click the White List tab.
[3] Click Add Network.
[4] Specify an IP address or range of IP addresses from which mail must always be accepted.
[5] Click OK.
(f) If you do not want to receive email from specific domains or individual senders, type email addresses or domain names into the Black list field.
To reject connections from specific mail servers:
[1] Go to Tools & Settings > Mail Server Settings (in the Mail group).
[2] Click the Black List tab.
[3] Click Add Domain.
[4] Specify the name of the domain from which you do not want to receive email. For example, example.com.
[5] Click OK.
[7] If you use a Windows-based customer account, then you can also specify trusted languages and character sets. Email messages written in the specified languages and with the defined character sets will pass the spam filter and will not be marked as spam.
[8] On Windows-based customer accounts, you can also specify IP addresses of computers or networks from which email must always be accepted. When specifying network addresses, type an address and add a network mask after a slash.
[9] Click OK.
To improve accuracy of spam detection:
[1] Access your mailbox with webmail or a mail client program on your computer.
[2] Review the messages in your Inbox folder. Move all spam messages to the Spam folder. This will make the SpamAssassin spam filter recognize spam more efficiently.