On Sat, Apr 18, 2020 at 12:17:11PM -0500, Derek Martin wrote: > On Sat, Apr 18, 2020 at 01:10:47PM +0300, Consus wrote: > > On Fri, Apr 17, 2020 at 07:59:01PM -0500, Derek Martin wrote: > > > On Fri, Apr 17, 2020 at 02:24:22PM -0400, Remco Rijnders wrote: > > > > The Message-ID that mutt generates is supposed to be unique. Up till now > > > > mutt would generate this ID based on the current date and time, > > > > followed by > > > > ".G". followed by a letter A to Z (A for the 1st and 27th email sent, Z > > > > for > > > > the 26th, etc.), followed by the pid of the active mutt process, > > > > followed > > > > by "@" and the configured hostname. > > > > > > This is utterly pointless. This may come off as harsh but please > > > understand that's not intended. I just want to be completely clear > > > hee so there is no misunderstanding or equivocation. > > > > > > None of the information you just listed is sensitive, and almost all > > > of it is already REQUIRED to be present in the message: > > > > > > - The "hostname" is usually the sender's domain, not their actual > > > hostname, unless left unconfigured in Mutt. Regardless of which > > > thing it is, it's going to be all over the message headers for the > > > vast majority of Mutt users. In those cases when it won't, the > > > user's IP address will be in them at least once (and might be > > > anyway, depending on how the user emits mail into the SMTP ether > > > and who it is talking to). REQUIRED. > > > > Nope, hostname it is, even if you're using built-in smtp. > > False. Try it.
Check my headers :) > Tell mutt your hostname is your domain name. This is a common > configuration, so that mutt auto-generates your e-mail address as > myn...@mydomain.org instead of myn...@myhost.myname.org. If you do > that it will generate a message ID that is your domain, not your > hostname. I actually tested this myself rather than blindly asserting > it. That requires _explicit_ configuration. So it's not that usual, not many people configure 'hostname', most of the time people just set 'from'.
