On 11/7/07 11:42 AM, "WJCarpenter" <[EMAIL PROTECTED]> wrote:
> I don't know if it's still true, > but the mailer for Yahoo Groups used to immediately unsubscribe recipients if > a single message was attempted for a failed > primary (presumably they would try secondaries if they exist, but I don't > know). We learned about that Yahoo Groups habit very quickly when we first turned up greylisting. They seem to have changed--they have been retrying successfully for a couple of years when a new host (or subnet, usually) of theirs starts running into greylisting. But that doesn't mean that no server is brain dead, only that Yahoo Groups no longer seems to be. --John -- ## List details at http://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
