greylisting and dccproc

Vernon Schryver
Mon Aug 25 18:38:36 UTC 2003

Does anyone use dccproc during the SMTP transaction to reject spam?

I ask because I've finished adding greylisting to dccm and dccifd.
I've punted on dccproc because dccproc does not currently know
the SMTP envelope RCPT_TO value(s).  
If I changed it to understand `dccproc -G rcpt1 -G rcpt2 ...` as
a request to greylist based on those recipient addresses, it could
exit() with EX_TEMPFAIL from sysexits.h.

I suspect no one is using dccproc during the SMTP transaction.
Dccifd is the preferred mechanism.

Vernon Schryver

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