Yes, it is unfortunate.. especially given the amount of money they
promised to spend on security. And while we do have to recognize the
sheer size and scope of Gmail, we should also have higher expectations
from them given their size.
While 'filtering' does work at the receiving MTA, there is not reason
for this to leave Google's networks. IF everyone can make filters to
stop it, so can Google.
And yes, unfortunately, about 80% of the email that reaches the filters
and gets put into spam folders does appear to be from Gmail.
If this was an intentional listing by SpamHaus, I applaud them doing a
'shot over the bow'.. There should no longer be a 'too big to block' get
out of jail free card.
Even our threat mitigation teams are now working on Gmail specific
rulesets, and more 'rejection' instead of 'filtering' especially with
the obvious bad junk.. but they aren't very far from where other RBL's
will start joining policies and actions that demand accountability.
On 2021-08-31 4:36 a.m., Laura Atkins via mailop wrote:
Google is a huge source of spam, particularly B2B spam. There’s an
entire industry built of companies selling plugins and other services
that allow you to spam through your G Suite account. Yes, Google blocks
outbound (for 24 hours) if one user sends more than 1000(?) messages a
day. But the businesses just run multiple G Suite accounts. In “good”
news, a lot of this mail is thrown away or dropped on the floor by
filters, but companies tell me that it’s hugely profitable, so much so
that they’d rather buy another set of domains / G suite account than
give up the spam.
laura
On 31 Aug 2021, at 11:04, Tim Bray via mailop <mailop@mailop.org
<mailto:mailop@mailop.org>> wrote:
Hi all,
I noticed that a google IPv6 address was recently listed in spamhaus XBL.
2607:f8b0:4864:20::82c at 2021-08-30 19:27:45 UTC
I just thought this a bit unusual and worth a mention. Probably the
first time I've seen spamhaus block a genuine sender (to me)
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