Thanks to all for all the thought that went into your replies. As I read them the consensus of opinion is that, "Yes, the string implying the sender is a spammer could show up in the headers of a bounced message from a legitimate sender."
I'm going to change that string in the spamd code in my tree; I can't afford to falsely accuse someone of spamming me. Thanks! Jay On Sun, Mar 11, 2007 at 03:43:03AM +0100, the unit calling itself Peter N. M. Hansteen wrote: > Darrin Chandler <[EMAIL PROTECTED]> writes: > > > I suspect I'm not the only person who's had the spamd messages come back > > from someone who's message didn't come through. While in "normal" > > circumstances these messages don't show, there are enough email > > providers out there (large, commonly used ones) that retry a given email > > in a round-robin fashion through a pool of outgoing servers. Since that > > won't ever whitelist they get the usual 4 hour warning, and later the > > bounce. > > That does happen in cases where the retries for a message come from a > different IP address than the original delivery attempt. It had > slipped my mind (it's been a while since I had it happen), but as you > are correctly pointing out there are some sites which are problematic > for that reason. For some reason Gmail appears to be a special case - > they appear to have their outgoing severs spread thinly over several > address ranges, but they tend to get through anyway. Then again, it's > likely you end up whitelisting the affected networks once you identify > them.