It’s not uncommon for bad actors to use compromised websites to send large amounts of email spam. This can cause major headaches for website owners — spam can lead to the blacklisting of a web host’s mail server IPs, or the domain name itself may be placed on blacklists like Spamhaus DBL.
Reset Email Passwords After a Website Hack
Blacklisting is problematic. It has serious consequences for a website’s reputation, may impact sales and revenue, and it can be a tedious process to remove a domain from a blacklist authority.
Source: Scuri check