If a report is provided and you do not act upon it, your IP address can be blocked access to a website, a country, part of the world, or from sending email. If applicable, an URL is made available to go to the blacklist.Īn IP address could be blacklisted for several reasons and on several occasions.

If an IP address is listed it will appear so in red.

By clicking on it, the website for the blacklisting opens, and further instructions are provided there.

- If an IP address is listed, the listing will appear on top, in red.The following two blacklist monitors check against all major and minor blacklists for a quick overview: There are several online tools available to see whether your IP is blacklisted and if so, where it is listed.

The following DNS records can help avoiding blacklists:Īpart from getting blacklisted due to emailing behavior, your IP-address can also get listed due to a dirty range, open proxy, generic rDNS, infected servers being abused by a spam bot, or simply hosting a TOR exit node. For more information, please refer to our Spam policy.Īdditionally, creating additional DNS records decreases the chance of ending up on a blacklist. To avoid getting blacklisted, when sending emails for marketing purposes, always send them to mailing lists that contain email addresses obtained through double opt-in and with a valid unsubscribe URL, as single opt-in is not allowed according to most spam laws. In the case of whitelisting, all access is restrained apart from the elements listed on the whitelist. The opposite of a blacklist is a whitelist. In practice, IP-addresses used for email traffic are often ‘greylisted’ when no rDNS has been set up. A greylist contains elements that are temporarily blocked until an additional step is performed. IP-addresses may also be listed on greylists.

In practice, when you would use your blacklisted IP-address for email traffic, the email will either not get through to the recipient or will end in the recipient’s spam box.īlacklisting means that the IP-address is listed on a blacklist. Within Leaseweb, when we speak about blacklists and blacklisting we refer to email blacklists. A blacklist is a list containing all elements that are not automatically able to access a certain area.

What does it mean to be blacklisted