Reply to post: Greylisting

The last post: Building your own mail server, part 1

Steve Foster
WTF?

Greylisting

I've used greylisting for years. However, lately some of the big providers (Hotmail and their ilk) from whom I do sometimes receive genuine emails, but who use vast server farms, and therefore routinely manage to make contact from a previously unseen server, are not processing the temporary errors properly - they're giving up after the one attempt, just like the spammers do.

I'm watching this fairly carefully, as it may mean I have to abandon the practice (it's no good getting rid of the crap if it costs me real email).

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