Viktor Dukhovni via Postfix-users:
> On Thu, Dec 21, 2023 at 04:29:20PM -0500, Wietse Venema via Postfix-users
> wrote:
>
> > > > https://gitlab.com/ohisee/block-shodan-stretchoid-census
> > >
> > > I feel no particular urge to block them.
> >
> > They apparently flag a lot more Postfix MTAs than Exim ones.
>
> By "flag" you mean count instances of on the public Internet?
> Is this the table you had in mind:
>
> https://www.shodan.io/search/facet?query=port%3A25&facet=product
>
> Very nice if that's a fair representation of actual deployment volumes.
Indeed. We need to find out. It covers more installations than the
unpublished port scan of 4 million, and the mail server survey that
was based on website-associated MTAs.
Wietse
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