Got this in return when I tried to email today:
Hi. This is the qmail-send program at @.
I’m afraid I wasn’t able to deliver your message to the following addresses.
This is a permanent error; I’ve given up. Sorry it didn’t work out.
***@netcom.no:
212.45.188.35 does not like recipient.
Remote host said: 550-Blacklisted in dnsbl.sorbs.net (Currently Sending Spam See:
550 http://www.sorbs.net/lookup.shtml?204.10.107.118 )
Giving up on 212.45.188.35.
What can be done to remove the blacklisting?