I've performed same situation. Actually they responded me with "Sorry, your ip do not qualify for mitigation." It doesn't help me either.
On 16 Jan 2018 2:23 p.m., "Matthew Broadhead" < matthew.broadh...@nbmlaw.co.uk> wrote: > i am also having problems delivering to microsoft domains since sunday. i > am in their SDNS program and it doesn't show our domain as being > blacklisted. > i contacted their engineers via https://support.microsoft.com/ > en-us/getsupport?oaspworkflow=start_1.0.0.0&wfname=capsub&pr > oductkey=edfsmsbl3&locale=en-us&ccsid=636383072583611450 . The response > was pretty quick but it doesn't seem to have fixed anything > > On 16/01/2018 11:59, Jim Reid wrote: > >> >> On 16 Jan 2018, at 10:49, jin&hitman&Barracuda <jinhit...@gmail.com> >>> wrote: >>> >>> We are having difficulties while delivering mails to Microsoft's domains >>> like hotmail and outlook. >>> >> They appear to have a DNS problem which is causing outbound mail to fail. >> Their SMTP servers are using non-existent hostnames when they say HELO. >> This DNS brokenness may well be wreaking havoc for those using SPF, DKIM, >> etc when speaking to M$ mail servers or receiving email from them. >> >> >> >
