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how_to:troubleshooting_tips [2012/02/09 15:24] – created paul | how_to:troubleshooting_tips [2018/11/14 10:45] (current) – external edit 127.0.0.1 | ||
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Telnet <address of VPOP3 computer> | Telnet <address of VPOP3 computer> | ||
+ | | ||
+ | ====Testing POP3==== | ||
| | ||
For instance, to test the POP3 service (port 110) if VPOP3 is on 192.168.1.1, | For instance, to test the POP3 service (port 110) if VPOP3 is on 192.168.1.1, | ||
Line 30: | Line 32: | ||
+OK VPOP3 Server Ready < | +OK VPOP3 Server Ready < | ||
| | ||
- | Other services you can test this way include SMTP (port 25) and IMAP4 (port 143 - if you are using VPOP3 Enterprise) | + | If this is the response |
- | For SMTP, the response should say: | + | USER < |
+ | followed by | ||
+ | PASS < | ||
| | ||
- | 220 <host name> VPOP3 ESMTP Server | + | eg |
+ | +OK VPOP3 Server Ready <6c.16a8.4069e3ac> | ||
+ | USER test | ||
+ | +OK User Accepted, PASSword required | ||
+ | PASS testpass | ||
+ | +OK test has 23 message(s) (121552 octets) | ||
+ | QUIT | ||
+ | +OK VPOP3 Server | ||
| | ||
- | For IMAP4, the response should say: | + | That shows a valid login attempt. Any errors received during this process will be useful diagnostic information. This is especially helpful if you are limited to using an email client such as Microsoft Outlook which usually hides errors during the logon process so you can't see the error messages generated by the server. |
+ | |||
+ | Note that while typing commands in this way, you cannot use the backspace or other editing keys, you must type accurately the first time. If you make a mistake it is best to start again. | ||
+ | |||
+ | ====Testing SMTP==== | ||
+ | |||
+ | SMTP is usually on port 25, and the response should say: | ||
+ | |||
+ | 220 <host name> VPOP3 ESMTP Server Ready | ||
+ | |||
+ | ====Testing IMAP4==== | ||
+ | IMAP4 requires VPOP3 Enterprise. The usual port for IMAP4 is port 143, and the response should say: | ||
- | | + | '' |
If the VPOP3 name is not there, then this may indicate that you have another mail server on the same computer as VPOP3, which is " | If the VPOP3 name is not there, then this may indicate that you have another mail server on the same computer as VPOP3, which is " | ||