I Don't understand why I can not mail to some perticular domains.I am able to send mails externally.But onely a few domains rejecting mails from domain.I am getting message undeliverable mail.
I think they are some how blocking mails from my domain.If so why ? and How can I get this resolved.
can anybody help me in this.
55 N,C-Block,Oxford Manor,
12-16 Oxford Road,Kingston,
Ph : 876 879 7925