[CentOS] Sending Email Via Telnet
Scott Silva
ssilva at sgvwater.com
Tue Oct 16 17:04:09 UTC 2012
on 10/16/2012 8:16 AM John Reddy spake the following:
>
>
>> Something isn't quite right with your setup. When you do the "HELO" command, the server should reply with something. For example:
>>
>> ==
>> $ telnet smtp.comcast.net 25
>> Trying 76.96.40.155...
>> Connected to smtp.comcast.net.
>> Escape character is '^]'.
>> 220 omta12.emeryville.ca.mail.comcast.net comcast ESMTP server ready
>> HELO comcast.net
>> 250 omta12.emeryville.ca.mail.comcast.net hello [69.24.1.7], pleased to meet you
>> ==
>>
>> Does the mail server ever return anything back to you?
>
> No. Never. How do I trouble-shoot this?
> TIA,
> John
>
>
Do you have anything like greylisting or greetpause running?
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