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Bret Miller wrote:
I'm using CGPro 5.1.6 on a FreeBSD 6.x machine, and I would experiment
e-mail greylisting.
Anyone would share his experience about this ?
Which add-on software do you recommend for greylisting with CGPro ?
AFAIK, there isn't any greylisting capability in CGPro, and I haven't heard of any plugins that do it. I wrote a little code that used SpamAssassin results and temporary blacklisting in CGPro to affect something of a "grey" list, but it didn't work very well and ended up causing some rejections that shouldn't have happened.
Overall, I'm not convinced that greylisting works that well, and I guess the CommuniGate developers haven't been convinced either.
<IMHO>
For my "annoying other servers by delay" needs, I go with 20+ Seconds "SMTP prompt Delay", it kills most Virus email engines, and annoys and lowers the rate of Spam senders... and it's just a setting on the CGP, no additional software/server/appliance to broke down and fix later.... give it a try on tuning the CGP's Edgegate (comercial name of all the security settings on CGP)
</IMHO>
Of course having a spam filter or plugin will help you out too.
Greylisting doesn't worth it...
my very honest 0.02$
Christian Ellsworth
Bret
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