Ask Slashdot: Spoof an Email Bounce With Windows?
An anonymous reader writes "One cool feature I used on KMail years ago was the ability to generate a spoofed email bounce for any given message I had received, which claimed delivery failed because of an unknown recipient. While this doesn't exactly align with expected behaviour from a mail client, it was a useful way of easily getting off mailing lists (automated, or manually created by freaky acquaintances!). This is something I really miss, so I'm wondering if there are any mail clients for Windows that provide similar functionality?"
Not even a 550 SMTP session will get you off most mailing lists because, even if it is a legitimate list, the marketers are too aggressive to care. Also, a NDR after a successful session will likely go to either an unmonitored mailbox, a hapless user who won't understand it, or null. Weed through some email logs and you'll see. I see some lists that have been emailing the same address for ten years and I always disconnect with a 550. That said, try Pegasus Mail. I find that it does almost anything.
At least since KDE 4, and from what I recall, maybe 3.4 or even 3.3, this feature was dropped.
Your time to bitch about it? That would be thataway.