Contact for netsolmail.net / networksolutionsemail.com

["Denis F." <xxnog () ledeuns net>]

Hello and sorry to bother you with my OT query.

I'm looking for a technical contact at netsolmail.net or 
networksolutionsemail.com to troubleshoot an issue. It seems their SMTP 
servers can't join mine and I can't see what's wrong on my side.

Thank you very much in advance,
Denis