DL-524 send mail
Are normal network services available to you:-
1) can you ping a server on the Internet?
2) can you browse the Internet?
3) Is the problem only email, if so do you know which mail server you are trying to access?
You shouldnt need to open up any rules in the firewall for SMTP, unless you are hosting a mail server. When you request mail from behind the firewall, most firewalls allow through all traffic from the inside network to the Internet. therefore, if you can see the Internet this is usually a good indication that theres no internal filtering.
all your mail client does is create a connection to port 25 on the SMTP server. You can replicate this by doing :-
telnet <MAIL SERVER ADDRESS> 25
you should get a banner or something up if you can see it. I dont think its a router problem if all other services are woking ok. If you get a banner from the above command, then its definately not a router problem.
Nov 13, 2008 |