Subj : another one phishing for a bite
To   : August Abolins
From : Daniel
Date : Thu Apr 09 2020 01:12 am

  Re: another one phishing for a bite
  By: August Abolins to Daniel on Tue Apr 07 2020 08:14 pm

 > Many of these emails are so stupid. I despise those things. There should
 > be a away to block them right at the ISP/server side.  I would rather not
 > have them delivered to my mailbox in the first place.  Why can't ISP's
 > block certain ip addresses right on the spot?

I've spent quite a bit of my career in information security. Problem is, alot
of them use SMTP services that have been maliciously taken over and used to
spend phishing and spam campaigns. The community tends to blacklist them and
work with the owners to clean their servers and lock them down.

Many of these servers are used for legitimate business and can impact other
people. So, alot of ISP's don't block them for that reason.

I host my own mail server, so I subscribe to black hole lists. They keep
updated listings of malicious services and remove them when clean. If my server
receives an email from it, I never get it.

At my work, whenever I verify a spam campaign is hitting our employees, I send
the email to our mail admins and they create filters.

That way, the emails are caught by content and then blocked. Then, you're not
blocking legitimate emails.

Daniel Traechin
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