Kolab accepting SMTP connections

Jon Bendtsen jon at kollegiegaarden.dk
Thu May 20 23:24:20 CEST 2004

Den 20. maj 2004, kl. 23:12, skrev Denis Croombs:

>>> I have tried over 10 times during the last 24 hours, I have even 
>>> tried
>>>  to
>>> telnet the connection and got the output below :-
>>> [root at tasmin3 root]# telnet testsite.co.uk 25
>>> Trying
>>> Connected to xxxxx.in-addr.btopenworld.com (xxxxxxxxxx).
>>> Escape character is '^]'.
>>> 220 testsite.co.uk ESMTP Postfix
>>> I have tried this both remotely and local to the system.
>> did you try to hand deliver using smtp commands?
>> or run tcpdump/ehtereal on port 25 ?
> No to both as I do not know howto, please let me know how to do that 
> and I
> will try it first thing tomorrow.

tcpdump -i eth0 port 25

maybe with more parameters to catch the full packets, see man tcpdump, 
or man ethereal


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