One year anniversary of phishing from SendGrid/Twilio...
And the problem is SO easy to fix
On 2021-01-22 6:08 a.m., Hans-Martin Mosner via mailop wrote:
Well I'm not complaining about the spam from them - it's a steady flow, nothing
new.
But it looks like they have filters on their abuse box now to reduce the amount
of abuse reports:
The original message was received at Fri, 22 Jan 2021 05:45:50 -0800
from m0099904.ppops.net [127.0.0.1]
----- The following addresses had permanent fatal errors -----
<ab...@sendgrid.com>
(reason: 552-5.7.0 This message was blocked because its content presents a
potential)
----- Transcript of session follows -----
... while talking to aspmx.l.google.com.:
DATA
<<< 552-5.7.0 This message was blocked because its content presents a potential
<<< 552-5.7.0 security issue. Please visit
<<< 552-5.7.0 https://support.google.com/mail/?p=BlockedMessage to review our
<<< 552 5.7.0 message content and attachment content guidelines.
s129si9974341ybc.279 - gsmtp
554 5.0.0 Service unavailable
Well of course the the contents presented a potential security issue, that's
why I reported it! It was an Amazon account
phishing attempt, the kind that sendgrid is spewing all the time.
They could have implemented some simple filter on "Amazon" in the From: headers
of mails that they send on behalf of
non-Amazon customers and catch that crap before it lands in recipient's
mailboxes, but apparently that's above their
technology competence level.
Cheers,
Hans-Martin
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