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Knowledgebase : Email Policy Rejections
If you are sending email to a VIRTBIZ customer, and your email was rejected with the code "listed at bl.spamcop.net", this indicates that your email server's IP address is listed in the SpamCop anti-spam blacklists. Please note that your email server's...
If you are sending email to a VIRTBIZ customer, and your email was rejected with the code "Spam blocked by zen.spamhaus.org RBL", this indicates that your email server's IP address is listed in the Spamhaus family of anti-spam blacklists. Please note t...
VIRTBIZ email servers, like those of most commercial ISPs, require sending MTA (Mail Transport Agents) to be correctly configured with reverse DNS. Reverse DNS is a way of associating an IP address with its domain name. Any legitimate MTA that sends In...
If you are sending email to a VIRTBIZ customer, and your email was rejected with the code "RELAYBLOCK-A", this indicates that your domain name has been implicated in verified Unsolicited Commercial Bulk Email (or "spam") complaints from our customers. T...
If you are sending email to a VIRTBIZ customer, and your email was rejected with the code "RELAYBLOCK-B", this indicates that your ISP has been implicated in verified Unsolicited Commercial Bulk Email (or "spam") complaints from our customers. The bounc...