That covers rather a large amount of potential errors and configuration issues. Please remember, the more information/detail about a problem you can provide:
- exact text of any error messages
- steps taken to reproduce the problem
- accurate account/domain/server details
- version number and name of applications, operating systems etc.
Is the mailserver working ?
Visit DNS Report and use the mailchecker to firstly ensure your domain is correctly configured for email, and that the mailserver responds.Can you access email and send/receive using the online webmail ?
Using the webmail system (a simple, online access to your email-box) will prove that you have the correct username, password etc., and that email is working for your domain.What *exactly* happens or is reported by your email software ?
Comments like When I try and send email I get a "503 relaying denied, check your email first or switch on login authentication" message appear is much more helpfull than I cant send emailsCan you receive email but not send ?
Then you have a mistake in your outgoing mail (SMTP) setup, please double check all the settings match the instructions we supplied.Usually this is caused by wrongly selecting the authentication type or where your email address doesn't match the outgoing server.
It often pays to have a "fresh" set of eyes look the setup over - ask a partner to make sure you've not made a simple typo - commas often look like dots when you stare at them long enough
Can you send email but not receive ?
Then you have a mistake in your incoming mail (POP3) setup, please double check all the settings match the instructions we supplied.Usually this is caused by selecting the wrong "port" for pop3 mail (110) or where your email address doesn't match the incoming server.
It often pays to have a "fresh" set of eyes look the setup over - ask a partner to make sure you've not made a simple typo - commas often look like dots when you stare at them long enough
Does it continually ask you for your username and password ?
Then either you are using the wrong details or we are not being passed the details by your ISP (the company you are using to connect to the internet through). Contact your ISP's support department and ask if they filter any of the email ports, or are having any difficulties at present.Are emails to you not arriving ?
Ask the sender to switch delivery receipts on and to check which server(s) accepted the email.Check your email program to see if it's "filed" it in the wrong folder
Take a look at your Spam filtering settings in case they're set too harshly - perhaps consider White-Listing the sender.