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SMTP Diagnosing
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Problem/Summary I cannot send email from email client Resolution 1. First make sure that you can ping the smtp server. start>run>type in "cmd">enter>type in "ping smtp.(yourdomain)" . If you get a reply then we move on to the next step, if not it could be due to dns issues(contact ISP) or your domain is still propagating. 2. Start a telnet session start>run>type in "cmd">enter>type in "telnet smtp.(yourdomain) 25". Follow the commands like below: C: HELO mydomain.com S: 250 Hello mydomain.com AUTH is enabled on our servers, Thus Authentication is required to relay. You will need to use your username(full email address) and password in Base64 (See here for an encoder). C: AUTH LOGIN S: 334 VXNlcm5hbWU6 C: c2VuZGVyQG15ZG9tYWluLmNvbQ== (equivalent to "sender@mydomain.com") S: 334 UGFzc3dvcmQ6 C: dGVzdHRlc3QxMjM= (equivalent to "testtest123") S: 235 2.0.0 OK Authenticated C: MAIL FROM:<sender@mydomain.com> S: 250 Ok C: RCPT TO:<friend@example.com> S: 250 Ok C: DATA S: 354 End data with <CR><LF>.<CR><LF> C: Subject: test message C: From: sender@mydomain.com C: To: friend@example.com C: C: Hello, C: This is a test. C: Goodbye. C: . S: 250 Ok: queued as 12345 C: QUIT S: 221 Bye Cause 1. There is something wrong with your DNS servers - contact your ISP 2. Domain is still very new and busy propogating - give it more time (usually 24 after registration) 3. Ensure that your connection is functioning correctly and you are able to see most websites and they are not slow, check cnn.com / microsoft.com / google.com - contact your ISP if most websites are slow 4. If the response times are very poor, 1000+ (check the time=XX section, see above image) it is a cause for concern and means that you are receiving slow speeds to our mail server. If the rest of the internet appears to be functioning correctly you should contact us and let us know of the issue, please provide a traceroute to our server (start > run > cmd > "tracert [address]", eg: "tracert 196.7.18.82") 5. Our DNS service may be down (least likely and in any case should never be down for more than a few minutes). |
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