What is an email blacklist and how do I get removed from one?
An email blacklist (also called DNS Blackhole List or DNSBL) is a database of IP addresses and domains known to send spam. When your email server is on a blacklist, recipient mail servers reject or spam-filter your messages. Common blacklists: Spamhaus (most impactful), SORBS, Barracuda, and SpamCop. Check if your IP is blacklisted at mxtoolbox.com/blacklists — enter your server's IP address. Causes of blacklisting: compromised WordPress site sending spam, account sending marketing email without opt-in lists, too many bounces or spam complaints, or shared hosting IP previously used by spammer. Removal process: identify root cause and fix it, then submit delisting request directly on each blacklist's website with evidence of cleanup. Spamhaus typically processes in 24 hours. Connect Quest provides dedicated IPs on VPS/dedicated plans to avoid shared IP reputation issues. For blacklisting assistance contact +91 2269711150.