I know! I saw a bounce message JUST THIS MORNING from a client that blocked AS(201806271). How granular is that?
> Diagnostic-Code: smtp;550 5.4.1 All recipient addresses rejected : Access > denied. AS(201806271) [BN8NAM12FT022.eop-nam12.prod.protection.outlook.com > <http://bn8nam12ft022.eop-nam12.prod.protection.outlook.com/>] laura (FYI: the AS in the blocking message stands for Anti-Spam and the number is an internal MS diagnostic code. It is not referencing an Autonomous System number) > On 1 Jun 2021, at 11:54, J. Hellenthal via mailop <[email protected]> wrote: > > Oh man! They got the whole ASN ! > > Not just the A but the S and the N too! > > Thorough 🤪 > > -- > J. Hellenthal > > The fact that there's a highway to Hell but only a stairway to Heaven says a > lot about anticipated traffic volume. > >> On Jun 1, 2021, at 05:38, André Peters via mailop <[email protected]> wrote: >> >> Von: "Hans-Martin Mosner via mailop" <[email protected]> >> An: [email protected] >> Gesendet: 01.06.2021 12:04:54 >> Betreff: Re: [mailop] protection.outlook.com refusing to accept mail with >> misleading temp error message >> >>>> Am 28.05.21 um 15:22 schrieb Hans-Martin Mosner via mailop: >>>> Am 28.05.21 um 13:47 schrieb Hans-Martin Mosner via mailop: >>>>> Anyone from Microsoft/Outlook available to look into the matter? >>>> Seems everything is ok now - either someone looked into the matter >>>> (thanks!) or some timeout ran out :-) >>> >>> Same problem again, for no discernible reason. No contact from MS, no >>> explanation, no abuse complaint. >>> >>> Given the ongoing flood of spam from bot-created hotmail accounts this is a >>> bit odd... >>> >>> Cheers, >>> Hans-Martin >> This is a never ending story. :-D >> >> Pretty annoying. One of our ASNs was blocked for a day recently, there was >> no difference in mail volume or content, it is a low-traffic ASN for little >> communication. The whole ASN. Once in a while these things happen with MS. >> It's normal. >> >> Yes, given the amount of outbound spam I don't understand how their filter >> or intelligence works at all. I guess nobody knows anymore at this point. >> >> _______________________________________________ >> mailop mailing list >> [email protected] >> https://list.mailop.org/listinfo/mailop > _______________________________________________ > mailop mailing list > [email protected] > https://list.mailop.org/listinfo/mailop -- Having an Email Crisis? We can help! 800 823-9674 Laura Atkins Word to the Wise [email protected] (650) 437-0741 Email Delivery Blog: https://wordtothewise.com/blog
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