smtp_auth_test
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smtp_auth_test [2009/08/06 04:21] k2patel |
smtp_auth_test [2020/08/10 02:35] |
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| - | ====== SMTP Auth test using TELNET ====== | ||
| - | This is simple but it is very useful procedure to test email functionality. | ||
| - | you need following information to authenticate your self.\\ | ||
| - | base64 encoded value for username and password.\\ | ||
| - | You can generate it using following command.\\ | ||
| - | <code perl> | ||
| - | perl -MMIME::Base64 -e "print encode_base64('username')" | ||
| - | perl -MMIME::Base64 -e "print encode_base64('password')" | ||
| - | </code> | ||
| - | above will return two values based on your input.\\ | ||
| - | look like below. | ||
| - | <code bash> | ||
| - | aW1mb2BhcnRpc4Rwci5jb69= | ||
| - | bWFybWx3bnY= | ||
| - | </code> | ||
| - | |||
| - | First connect to your server using telnet | ||
| - | <code bash> | ||
| - | telnet xx.yy.zz.pp 25 | ||
| - | Connected to xx.yy.zz.pp. | ||
| - | Escape character is '^]'. | ||
| - | 220 xx.yy.zz.pp ESMTP | ||
| - | </code> | ||
| - | Initialize communication Enter following line. | ||
| - | <code bash> | ||
| - | EHLO xyz.com | ||
| - | </code> | ||
| - | will return like below | ||
| - | <code bash> | ||
| - | 250-xx.yy.zz.pp | ||
| - | 250-PIPELINING | ||
| - | 250-8BITMIME | ||
| - | 250-SIZE 0 | ||
| - | 250 AUTH LOGIN PLAIN CRAM-MD5 | ||
| - | </code> | ||
| - | Now initialize Login. | ||
| - | <code bash> | ||
| - | AUTH LOGIN | ||
| - | </code> | ||
| - | which will return values like below.\\ | ||
| - | First enter your username and second your password. | ||
| - | <code bash> | ||
| - | 334 VJBlcm9hbWU4 | ||
| - | aW1mb2BhcnRpc4Rwci5jb69= | ||
| - | 334 UFDcc4dvcmQ8 | ||
| - | bWFybWx3bnY= | ||
| - | </code> | ||
| - | If you have successfully authenticated the server will return: "235 authenticated".\\ | ||
| - | <code text> | ||
| - | Enter MAIL FROM: YourUserName@YourDomain.com" | ||
| - | Enter RCPT TO: DestinationEmail | ||
| - | Enter DATA | ||
| - | Enter Subject: Test using telnet" | ||
| - | Enter | ||
| - | Enter This is just a test to see if I can SMTP auth from my PC | ||
| - | |||
| - | Enter "." | ||
| - | |||
| - | The server will return: "250 Message queued" | ||
| - | Enter "quit" | ||
| - | </code> | ||
| - | |||
| - | Testing complete | ||
smtp_auth_test.txt ยท Last modified: 2020/08/10 02:35 (external edit)
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