2 ms·
Anybody that can run sendmail as root (or use an alternate program, or compile their own) can spoof the envelope sender.
by thaumaturgy 13y ago
Anybody that can run sendmail as root (or use an alternate program, or compile their own) can spoof the envelope sender.
- jwcrux 13y agoAh, gotcha. You're saying that you sent an email with a valid envelope sender from your domain, with only a spoofed From: address, and gmail sent it back. If so, nice!
- thaumaturgy 13y agoYep, exactly.