Might be a reason for it.
Perhaps you should ask…?
https://go.microsoft.com/fwlink/?LinkID=614866&clcid
Won’t be commenting any further on this thread … or offlist.
Aloha,
Michael.
--
Michael J Wise
Microsoft Corporation| Spam Analysis
"Your Spam Specimen Has Been Processed."
Got the Junk Mail Reporting
Tool<http://www.microsoft.com/en-us/download/details.aspx?id=18275> ?
From: mailop <[email protected]> On Behalf Of Stefan Bauer
Sent: Monday, October 29, 2018 11:07 AM
To: mailop <[email protected]>
Subject: [mailop] hotmail.com blocks again for no reasons - this is insane
Hi,
anyone else in trouble with hotmail.com again?
We are a very low sending MX without any spam from our range. It started at
17:00 that hotmail was not offering TLS. I have no clue, why this is the case.
Is this some kind of spam defense voodoo?
Our MX tried again after an hour and got refused with "network is on our block
list (S3150)"
No blocklist shows our ip / network as blocked.
Also microsoft owns SNDS shows no issses at all. Already requested unblock even
though i do not see anywhere a block of our ip. This is all insane.
Oct 28 06:35:21 securetransport schmid/smtp[14208]: Untrusted TLS connection
established to hotmail-com.olc.protection.outlook.com[104.47.38.33]:25: TLSv1.2
with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)
Oct 28 06:35:22 securetransport schmid/smtp[14208]: A6A9F5FBD7:
to=<[email protected]<mailto:[email protected]>>,
relay=hotmail-com.olc.protection.outlook.com[104.47.38.33]:25, delay=1.4,
delays=0.13/0.01/0.65/0.59, dsn=2.6.0, status=sent (250 2.6.0
<kcis.0AACE3E0EE264E0A9772E38A1401E4C0@mailserver<mailto:kcis.0AACE3E0EE264E0A9772E38A1401E4C0@mailserver>>
[InternalId=23523535900992,
Hostname=BL2NAM02HT009.eop-nam02.prod.protection.outlook.com] 10238 bytes in
0.187, 53.358 KB/sec Queued mail for delivery)
Oct 29 11:47:17 securetransport schmid/smtp[10776]: Untrusted TLS connection
established to hotmail-com.olc.protection.outlook.com[104.47.33.33]:25: TLSv1.2
with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)
Oct 29 11:47:17 securetransport schmid/smtp[10776]: 53D3C5FBD7:
to=<[email protected]<mailto:[email protected]>>,
relay=hotmail-com.olc.protection.outlook.com[104.47.33.33]:25, delay=2.6,
delays=1.1/0.01/0.67/0.72, dsn=2.6.0, status=sent (250 2.6.0
<kcis.C3875E6D40E842D6B24A6DE18C50DCAA@mailserver<mailto:kcis.C3875E6D40E842D6B24A6DE18C50DCAA@mailserver>>
[InternalId=23557895672549,
Hostname=BN3NAM01HT013.eop-nam01.prod.protection.outlook.com] 58529 bytes in
0.263, 216.623 KB/sec Queued mail for delivery)
Oct 29 17:00:35 securetransport schmid/smtp[16434]: 62DCA5FBC9: TLS is
required, but was not offered by host
hotmail-com.olc.protection.outlook.com[104.47.40.33]
Oct 29 18:17:21 securetransport schmid/smtp[17756]: A87965FBD7:
to=<[email protected]<mailto:[email protected]>>,
relay=hotmail-com.olc.protection.outlook.com[104.47.34.33]:25, delay=0.75,
delays=0.12/0.01/0.46/0.15, dsn=5.7.1, status=bounced (host
hotmail-com.olc.protection.outlook.com[104.47.34.33] said: 550 5.7.1
Unfortunately, messages from [188.68.39.254] weren't sent. Please contact your
Internet service provider since part of their network is on our block list
(S3150). You can also refer your provider to
http://mail.live.com/mail/troubleshooting.aspx#errors.<https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fmail.live.com%2Fmail%2Ftroubleshooting.aspx%23errors.&data=02%7C01%7Cmichael.wise%40microsoft.com%7Cb031814de15e4302f92d08d63dca9b74%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636764337742811959&sdata=OasxCMgZAs6NIk23y6ZC3UNUvZ%2BjwkkeQXKayjugku0%3D&reserved=0>
[BY2NAM01FT031.eop-nam01.prod.protection.outlook.com] (in reply to MAIL FROM
command))
Oct 29 18:17:21 securetransport schmid/smtp[17756]: A87965FBD7: lost connection
with hotmail-com.olc.protection.outlook.com[104.47.34.33] while sending RCPT TO
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