What is Real-Time Black Lists or RBLs explained
Realtime Black List are web site services that operation to keep track of domain name or IP address whereby possibility of spam mails originate from. The purpose behind the service is to allow Mail server administrators to query the database and block messages that are listed in there in order to block incoming spam emails. For your information there are scores of websites spam database IP checking that offer this type of service.
Why it's important for you to find out if your IP address is in one of RBLs?
If an IP address is listed in an RBLs then the chances are that the emails that you send from your network or server IP to your clients can get blocked even though it may not be spam. Mostly of anti-spam filters query RBLs and if found your IP address is listed in one of the RBLs IP checking then these filters may not allow your e-mails sending out to go through.
How I know my IP or Domain ended up as black Listed in an RBLs?
Several reasons this can be happen. Example, viruses, spywares, trojans can also be causing a workstation on your network to send out spam e-mails else IP from server administrator was listed on the spam IP database checking.
To trace/lookup may refer some of below URLs
1. multirbl.valli.org
2. mxtoolbox.com/blocklists.aspx
How do I get de-listed from the RBLs blocklist?
Visit the RBLs website that has you blocklisted and find a link there that would allow you to request a removal from the black list. If the blocklisted site requires mail server administrator to request de-listed, may contact us at our support ticketing.