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SYMPTOMS

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How can I test to see if my SMTP Mail server is reachable/up?

SOLUTION

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On your local computer open a DOS window and type:

telnet mail.YOURDOMAIN.NAME 25 If it connects then your SMTP server is reachable if it doesn't connec then your SMTP server may not be down but your ISP may be blocking outbound SMTP services, you should contact your ISP prior to contacting support if you're not sure whether or not your ISP blocks outbound SMTP.