
Enter an IP address, an email address, or a domain name in the Sender field.Go to Spam filter → Whitelist (Greylisting) → Add.To add a sender into the whitelist and do not check its emails with Greylisting: In ISPmanager Graylisting is run by Postgrey. The servers that spammers use generally will not respond, because the spammer's goal is to disseminate millions of messages quickly and not have to keep track of those failed to reach their destination. Such mail servers are put on the white list and will be delivered without any delay. The sending server of a legitimate user will retransmit the message.

The receiving mail server rejects a message, informs a sender that the message cannot be delivered immediately and asks to try again later. Greylisting is a prevention method that allows filtering out spammers with special programs. The DNSBL that you have added are kept in /etc//dnsbllist.

Exim toolsĮxim allows configuring the rules to receive or reject emails from different senders. The system will accept emails from the senders that are allowed to send messages to the mail server and denies them from those who are blacklisted.
Spamassassin blacklist install#
To install them go to Settings → Features.

The control panel utilizes built-in tools provided by Exim, Greylisting and SpamAssassin filters, and the antivirus ClamAV. ISPmanager allows you to protect your mailboxes from unwanted emails.
