Thanks Ken and David. It's helpful to get your insight. On Fri, Apr 6, 2018 at 5:47 AM, David Hofstee <opentext.dhofs...@gmail.com> wrote:
> Hi Ryan, > > If spamfilters use machine learning, like the ones at Google, Microsoft, > Yahoo, Proofpoint (and Cloudmark) then they tend to have a lot of inputs. > Including "reputation" on AS and IP which may be dependent on changes in > routing. Because that is one of the tricks that spammers use. This can > cause weird false-positives (good email being filtered). You may not even > know that you are doing something wrong, but you may still end up on the > bad side of filtering because of that. > > Thing is, these ML engines are hard to "introspect" (its rules are not > laid out, but are the result of self tuning internal parameters). It > decides itself what is bad and not bad. Not even the people managing the > filter may be able to tell exactly unless they have an example. Or tune it, > for that matter. > > So watch those... I would not worry about the rest. > > Yours, > > > David > > On 6 April 2018 at 12:21, Ken O'Driscoll via mailop <mailop@mailop.org> > wrote: > >> On Thu, 2018-04-05 at 12:21 -0600, Ryan Harris via mailop wrote: >> > Could this cause other issues I'm not thinking of? >> >> I think you just need to make sure that whatever you're doing wouldn't >> look >> like hijacking to a (moderately intelligent) machine learning algorithm. >> And if you're keeping it all under the same AS then it probably wouldn't. >> >> I've never personally encountered a problem which was purely caused by >> reassigning netblocks under the same org. >> >> Ken. >> >> -- >> Ken O'Driscoll / We Monitor Email >> t: +353 1 254 9400 | w: www.wemonitoremail.com >> >> Need to understand deliverability? Now there's a book: >> www.wemonitoremail.com/book >> >> >> _______________________________________________ >> mailop mailing list >> mailop@mailop.org >> https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop >> > > > > -- > -- > My opinion is mine. > > _______________________________________________ > mailop mailing list > mailop@mailop.org > https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop > >
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