On 2014-07-21, Chris Angelico <ros...@gmail.com> wrote: > On Tue, Jul 22, 2014 at 12:40 AM, Shiyao Ma <i...@introo.me> wrote: >> No intent to pollute this thread. >> >> But really interested in the invalid@invalid.invalid mailing address. >> And,,, obviously, I cannot send to invalid@invalid.invalid, so >> >> How does you(he) make this? > > When you send email, you have to have a valid envelope-from address, > which can be found in the headers. But the From: address doesn't > technically have to be valid.
Note that a lot of mail servers and/or spam filters will think it's spam if it isn't. > And if the email you received actually came from the news<->mail > gateway, It did. > then it's even less significant; the address used is simply whatever > Grant chose to key into his newsreader, which in this case is a > marker saying "Please don't email me, just follow-up to the group" :) If people really do want to e-mail me, that's fine. What I'm trying to avoid is people who e-mail my without knowing they're doing so because that's the default setting for whatever broken-by-design email client, web-UI, or newsreading they happen to be using. If people conciously want to e-mail me, all they can by using the address in my sig. -- Grant Edwards grant.b.edwards Yow! Wait ... is this a FUN at THING or the END of LIFE in gmail.com Petticoat Junction?? -- https://mail.python.org/mailman/listinfo/python-list