Adjusting the tcprules files for qmail

This is my tcprules file:

> more /home/vpopmail/etc/tcp.smtp,RELAYCLIENT="",RBLSMTPD="",GREETDELAY="0",RELAYCLIENT="",RBLSMTPD="",GREETDELAY="0"

As you can see, the localhost, the internal subnet 10.0.0., and the external server's IP are allowed to use the MTA as a relay (RELAYCLIENT=""), have rblsmtpd switched off (RBLSMTPD=""), and does not face a GREETDELAY (simply replace with SMTPD_GREETDELAY if you are using the delay before smtpd).

All other clients are allowed to send us emails (allow:), will face a GREETDELAY specified in the qmail-smtpd run script, and are not allowed to use our MTA as a relay.

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