implement blacklisting
Ticket
implement blacklisting+status
implement blacklisting+priority
implement blacklisting+tag
implement blacklisting+commit
implement blacklisting+issues
Lots of signups (account request or creation depending on setup).
implement blacklisting+solution
Deny Signups from blacklisted IPs.
Deny Signups with blacklisted URLs in the content of cards included on Account Request+*tform.