Few people bother with reporting errors. It is not usually necessary.
If you get messages that you think
spam@mailcleaner.net
nospam@mailcleaner.net
newsletter@mailcleaner.net
phishing@mailcleaner.net
virus@mailcleaner.net
https://mc.virtualarchitects.com
@spammerdomain.tld (full top level domain) spammerdomain.tld (domain substring) ^sender*@*domain.com$ (limited regular expression)
There is support for a few regular expression characters including:
^ - Matches the start of the address $ - Matches the end of the address * - Wildcard match for anything in the middle of the address