RE: using TELNET (in batch mode) to send e-mail

Albert York has written a freeware Telnet API that will let you telnet
in batch.  The sockets suggestion might not be a better solution for
you, bur we use TNAPI a fair bit and it's been very solid.  It's at
http://www.telnet400.com/

Cheers
Robin

-----Original Message-----
From: DAhKow@ibl.intnet.mu [mailto:DAhKow@ibl.intnet.mu]
Sent: 14 September 2001 07:07
To: midrange-l@midrange.com
Subject: Re: using TELNET (in batch mode) to send e-mail



Hi,

     this query might sound a bit weird to some of you but here goes:

We would like to send e-mails (with attached text files) from the
AS/400. Of course we can use the SNDDST command to do this (as suggested
by numerous posts in this very list). We've tried that and it works
fine. However, it is our understanding that the SMTP server MUST be
active for this to work. This was the case in our tests. When we downed
the SMTP server, no mail was sent. The problem is that  this SMTP
process on the AS400 is 'visible' on the internet & hence can be prone
to attacks (let's forget about any firewall issue for the time being).
In fact our mail server is a linux box running Notes. What we would like
to do is to use that linux mail server as a SMTP relay to send the
e-mail from the AS400. This works fine interactively : You can telnet,
from an AS400 screen to that mail server and specify port 25 (the SMTP
default port) to request the mail server to send mail e.g TELNET  ip
address 25. This gives you a SMTP conversation with the linux mail
server which will relay mails from the AS400 to any e-mail address. We
have tried this and it works ok. And this does not require the AS400
SMTP server to be active, hence not accessible on the internet. Our
problem is that want to automate this e-mail sending process using
telnet in 'batch' mode.  (This is similar to using FTP in batch mode by
overriding the input to a file containing FTP commands).

This may seems a bit convoluted but is the above possible and has anyone
done this? We would be glad to have your input.


Regards


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