[lug] redirecting into mail

[Chip Atkinson]

If you can telnet to port 25 on the ISP, you could then use netcat to send 
a file with the smtp chat.  It's pretty easy to set up.  Here's an 
example:

[chip at trailerbarn ~]$ telnet localhost 25
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
220 trailerbarn.pupman.com ESMTP Postfix
HELO pupman.com
250 trailerbarn.pupman.com
MAIL FROM: joey at pupman.com
250 2.1.0 Ok
RCPT TO: chip at pupman.com
250 2.1.5 Ok
DATA
354 End data with <CR><LF>.<CR><LF>
Subject: Hi there

This is a test message
.


This will actuall provide a subject line as well.  You can put other 
headers in too.

Chip


  On Fri, 31 Jan 2014, stltner at indra.com wrote:

> lug at lug.boulder.co.us
> redirecting into mail
>
>                                                  January 31, 2014
>
> It is time to ask for help.  For some time, I've had dial-in access to the
> ISP, and got sent email service by typing email space and uploading the
> email file with a /Address/Subject/Text/Period/ format.
> A sneaky redirect into mail.
>
> The ISP no longer supports dial-in access, so I come in via SSH and thought
> I could manually redirect mail files into mail. Doing
>
> mail < abc.msg
>
> does not work. Mail goes into interactive mode. Trying
>
>  mail Address < abc.msg
>
> with a /Subject/Text/Period/ file format kinda works. The subject is lost
> and the subject line shows up in the body of the message.
>
> So Unix/tcsh is dumping a line feed into my command line ahead of the
> redirect string.
>
> Is this a 50 year blunder that nobody documented, or is there some setup
> the ISP should be using?
>
> Thanks,
>
> Ernie Stiltner
>
>
>
>
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