This page shows mail exchanger settings from an NSLookup locally, from Qwest, Sprint, Europe, Switzerland and Australia. Type the domain name only in the text input below. (i.e. - davidj.org) and then click 'MX Lookup'.
Some domains take longer than others. Some domains mothers take longer than other domains mothers.
Please enter a record.
Observe Returns:
Look for preference =#, mail exchanger = server.name.info
Sort Preferences:
The lower number, when there are multiple servers, determines the order that mail will try to send on.
Connect via telnet on port 25:
Telnet to port 25 to see if you can connect, if you can't, you have found your first problem.
Use smtp commands to send a test message:
If you connect, use mail and rcpt and data commands to send a test message.
mail from:
rcpt to:
data: Type some lines and then put a period by itself on your last line.
quit: To close the connection