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Old 06-20-2005, 11:07 PM   #1
Registered: Oct 2004
Posts: 97

Rep: Reputation: 15
Sendmail and ISP SMTP


I would like to send mail through the command line as:

sendmail < textfile.txt

but that doesn't work. I will probably need to setup my ISP SMTP servers through sendmail config files but I'm not sure how to go about doing this.

How would I go about doing this? I've searched online for this but couldn't find any clear directions on doing this. This is an FC2 system behind a D-Link broudband router.

Old 06-21-2005, 04:10 PM   #2
Pete M
Registered: Aug 2003
Location: UK
Distribution: Redhat 9 FC 3 SUSE 9.2 SUSE 9.3 Gentoo 2005.0 Debian Sid
Posts: 657

Rep: Reputation: 32

In answer to your specific question this is the line in that you need to edit

dnl define(`SMART_HOST',`smtp.your.provider')

Remove dnl and add your ISP's SMTP server like this


You then need to remake, restart sendmail

Old 06-29-2005, 08:21 PM   #3
Registered: Oct 2004
Posts: 97

Original Poster
Rep: Reputation: 15

Thank You, Pete. I've done that and, after backing up the original, regenerated the file with:

m4 /etc/mail/ > /etc/mail/

But I get the following.

>>> DATA
<<< 501 Validating Sender
554 5.0.0 Service unavailable
<<< 503 Bad sequence of commands

I know I have to authenticate through POP3 before sending but how could I go about setting up authentication with sendmail?



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