>>So, as a general rule, we intend to BOUNCE anything that gets identified >>as spam via the blacklists and the phase filtering.
>No, no, no. Please do not.
I disagree with the previous response. If you use DNS blacklists, you are essentially daming a certain percentage of connecting email serversas spammers. If you are comfortable about which emails are being filtered using these blacklists, then stopping the emails before they get into your system is the most efficient option.
*Rejecting* the E-mail is indeed better than *bouncing* it. Rejecting the E-mail is most efficient, because the E-mail isn't even transferred (whereas bouncing occurs after the E-mail is received, using up bandwidth). And, rejecting E-mail is less likely to cause the spam to spread to someone else (since the majority of spam is now sent from spamware, which isn't going to send a bounce message).
However, it is not possible to reject E-mail using IMail (either with IMail v8's anti-spam, or third-party addons).
-Scott
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