I'm wondering how to configure sendmail to do the following:
when you telnet a sendmail server on port 25: - change the banner
Part of this is done by changing settings in sendmail.mc but I don't remember the specifics. Make sure you have the sendmail-doc package installed and read that, or check at www.sendmail.org. Also make sure you check the list archives, since I'm sure you aren't the first person to try this.
- allow sending messages only if the sender OR the recepient is a user on the server.
This is achieved quite simply with SMTP AUTH. See my HOWTO for this at:
http://www.simpaticus.com/linux/sendmail-smtp-auth-howto.html
-- Rodolfo J. Paiz rpaiz@xxxxxxxxxxxxxx
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