[Gross] Patch to Greylist Bad Helo
eino at utu.fi
Tue Oct 21 12:22:54 EEST 2008
Jeff Chan wrote:
> For these few days, I went over the top and ran an experiement to
> greylist senders with bad helo strings using grossd. I did this
> because I found many obvious spams slipped through the RBLs undetected
> (as trusted). Those were the ones with bad helo strings, either with
> non-ascii characters, illegal domain name characters, non-fully
> qualified hostnames, or with IP addresses whether bracketed or not.
Sorry for a very late response...
I have now incorporated your piece of code in the new check_helo.c in
This will be relased in version 1.1, which I plan to release next (with
the 1.0.2 patch release).
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