we rent a new dedicated server (in soyoustart) since january, and his IP is in the list of blocked for sending e-mails by two Dnsbl. They do not allow to send messages to our customers and interfere with our work for our business.
Of course our server never sent SPAM (and it is not SMTP relay too)
But our SMTP server is blocked since January by
We can not send emails to some customers.
We contacted this 2 DNSBL by email
We have do delist request but we received only Answers copy-paste without delving into the essence of the problem at all
Many times we sent a request to the site to unlock, there is no result
Here it is : http://multirbl.valli.org/dnsbl-lookup/188.8.131.52.html
What can we do to delist us if email do not work