zkus nejaky jiny mail nez post.sk
# dnsmx post.sk
10 smtp.post.sk
5 smtp2.post.sk
# telnet smtp2.post.sk 25
Trying 217.67.20.137...
^C
# telnet smtp.post.sk 25
Trying 217.67.20.134...
telnet: connect to address 217.67.20.134: Connection refused
telnet: Unable to connect to remote host: Connection refused
z jineho serveru to jakz takz jede (pomalu ale prece), mozna nas blokuji, ale to neni muj problem