Dear readers of dev-tech-crypto mailing list, and mozilla.dev.tech.crypto
newsgroup:

As you have probably noticed, in the past 7 days we've seen a number of
emails that have gotten through the list's meager grep-based spam filters.
I have been increasing the rules trying to trap more spam, but the spam
grows faster than I can create rules for it.  I apologize for that.

The situation has simply become intolerable, so as your list moderator,
I have taken steps to cut it off, and am prepared to take more steps.
Consequently, there are some changes to the list moderation that have
taken place today.

All the recent spam has come through the mail<->news gateway.
According to the messages' headers, the spam messages have been posted
as news articles to one of the googlegroups.com news servers, and from
there went to Mozilla's private news server, and from there through our
news->mail gateway, to your mailboxes.

At one time, the links between Mozilla's private news server and all other
servers was supposed to be one way, with newsgroup messages propagating from
the Mozilla server to others, but not from other servers to Mozilla's.
However, those links are now clearly two way links, and the
spam is flowing in through them.

Effective earlier today, I have attempted to cut off all postings coming
to this mailing list through googlegroups.com news servers.  That should
stop the spam.  This means that any subscribers who have been posting to
this group through googlegroups.com will find that their posts are no longer
propagated to this list.  People who read this list as a newsgroup
will see those messages, but people who read it as email will not.
All who post to this list are encouraged to do so through email.
Postings that come through other news servers, but not through googlegroups,
will continue, for now.

If those steps do not stop the spam, my next step will be to cut off the
news->mail gateway entirely, so that it becomes a one-way gateway, from
mail to news and not vice versa.  If that becomes necessary, I will announce
that step before taking it.

Some of you have already noticed that delivery of your messages to this
list have been delayed for up to a day.  Those delayed messages have all
been awaiting approval from the moderator (me).  To avoid moderation
delays, take these precautions when sending email to this list:

1. Ensure that the "From:" address in your email is the address by which
you are subscribed to this list.  If you are subscribed by one address,
but send email from another, the email from the other list will be
moderated.  You may subscribe multiple email addresses to the list,
and you can disable the deliver of email to any of your subscribed
addresses, so that you don't receive multiple copies.

2. Ensure that the total number of recipients to which your mail is sent
is less than 5, i.e. to this list and to no more than 3 other email
addresses.  Mail sent to more addresses is suspected of being spam, and
is moderated.

3. Do not send a message to this list and to other lists.  If you send
the message to multiple lists, please send a separate message to this
list.  The reason is that when readers who are not subscribers to this
list do a reply-all, their replies all wind up in the moderation queue.
The policy is that only list subscribers may send messages to this list.

4. Do not include binary attachments.

5. Limit the total message size to 40KB or less.

6. Plain text posting is preferred.  Multi-part/alternative messages
(that include both plain text and html) will have the html part
stripped away.

7. When replying to a message in this list or newsgroup, please do not
reply to BOTH the mailing list and the newsgroup.   Just one or the
other, please.

Regards,
/Nelson (Spam Haters R Us) Bolyard
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