I've instituted short-term blocks of Sendgrid mail several times this year
and started another today because it looks like as much as a third of the
mail they've sent us in the past week has been evil -- mostly phishing.

This is a problem for me because some of the mail Sendgrid sends is
wanted by my users.  I'm thinking about just accepting it all and filing
it into user spam folders.

I see that the IP you mention, Benoit, is currently listed on the SBL and
Spamcop.


On Tue, Aug 11, 2020 at 04:53:46PM +0200, Benoit Panizzon via mailop wrote:
> Hi List
> 
> o1678912x138.outbound-mail.sendgrid.net [167.89.12.138] and IP under
> control of sendgrid was repeatedly involved in phishing and other spam
> since June.
> 
> It ended up being blacklisted @ SWINOG.
> 
> Now a sendgrid customers complains to us, that his emails are being
> rejected because of this listing.
> 
> But that makes me wonder: Doesn't sendgrid deal with such issues like
> asking for delisting after blocking the sender itself and re-uses
> recently (last phish received on 14. July) 'abused' ip addresses for
> other customers?
> 
> Mit freundlichen Grüssen
> 
> -Benoît Panizzon-
 
-- 
Hokan                                 MEnet, a wholly owned subsidiary of Enet
System Administrator         Department of Aerospace Engineering and Mechanics
ho...@me.umn.edu                          Department of Mechanical Engineering
612.208.3105 (cell)           Department of Industrial and Systems Engineering

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