On Mon, Jan 25, 2021 at 08:11:51AM -0500, Greg Wooledge wrote: > On Mon, Jan 25, 2021 at 01:03:07AM -0500, John Kaufmann wrote: > > > In the last seven days we've seen bounces for the following list: > > > * debian-user > > > 1 bounce out of <nn> mails in one day (<x>%, kick-score is 80%) > > > > First: How common is this occurrence for others? > > It is common enough that it belongs in a FAQ. > > Some subscribers are using corporate (or even non-corporate) email > systems that have aggressive filtering. Some legitimate debian-user > email may be caught by these filters and either rejected outright during > SMTP, or delayed pending review. If it's rejected during SMTP, that'll > certainly trigger the "we've seen bounces" message.
I've seen that (not very often) either because my mail server is down or because I fat-fingered some configuration. > For the record, as of today, the email that I receive at this address > undergoes no fewer than *four* types of modifications before I see it: > > 1) The Subject: line is altered. > 2) A two-line disclaimer is inserted at the top of the body. (One very > long line of text, because *obviously* all those Netiquette guides > are wrong, and one blank line.) > 3) All URLs, fully qualified domain names, IP addresses, or any other > content that looks like one of the above to a dumb regex, get > replaced by mimecast URLs. > 4) All attachments that look like they might contain executable code > are removed. This includes shell scripts, perl scripts, etc. Are those modifications added by the Debian mailing list? That'd be strange, because I don't see them... Cheers - t
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