On Thu, Nov 03, 2016 at 04:15:05PM +0100, Johannes Schindelin wrote: > When it finally sent out the mail, and I thought everything was alright, > thinking that I could turn out for the night with a well-deserved drink, I > got this from vger.kernel.org: > > -- snip -- > SMTP error from remote server for TEXT command, host: vger.kernel.org (209.132.180.67) reason: 550 5.7.1 Content-Policy reject msg: Wrong MIME labeling on 8-bit character texts. > -- snap -- > > Is there *anybody* who could give me a clue what this means? That's a new one for me. One guess, though... > For the record, I tried to use `git send-email` to send out the > announcement for the very first time, and the headers of the mbox file I > fed to that command read thusly: > > -- snip -- > From 2.10.2.windows.1 Mon Sep 17 00:00:00 2001 > From: Johannes Schindelin <johannes.schindelin@xxxxxx> > Date: Wed, 02 Nov 2016 21:43:54 +0100 > To: git-for-windows@xxxxxxxxxxxxxxxx, git@xxxxxxxxxxxxxxx > Subject: [ANNOUNCE] Git for Windows 2.10.2 > Content-Type: text/plain; charset=UTF-8 > Fcc: Sent > -- snap -- This is missing a Content-Transfer-Encoding. I think the default is the traditional 7-bit ascii encoding, but your body has characters with the high-bit set (your UTF-8 bullet). Try adding: Content-Transfer-Encoding: 8bit I haven't seen this before, but I do recall that vger's MTA is very picky about this and wants to rewrite transfer-encodings, so it seems plausible. -Peff