I tried to report a phishing spam to Sendgrid, and look what I got:
----- 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
<<< 552-5.7.0https://support.google.com/mail/?p=BlockedMessage to review our
<<< 552 5.7.0 message content and attachment content guidelines.
t7-20020a025407000000b0038a27d5a3b9si13875032jaa.5 - gsmtp
554 5.0.0 Service unavailable
Well doh, abuse reports tend to include the messages being reported, and those messages tend to contain bad content.
Forwarding your abuse mail to a google mailbox isn't really a good idea...
Cheers,
Hans-Martin
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