Dear Sir, When I send more 500 mails only 1/2 out but again send and new 1/2 out so again, so..I look that my NDS is lock, how ? the PCs config DNS is number ip local dns no have internet while send mails. The error of mails that not out is 451 fail temporary DNS chksuer.
Excuseme my English, Very Thanks, Aldo Carranza
