On 5/25/2016 3:08 PM, Keenan Tims wrote:
I'm seeing 90+% of our connection attempts to the MXes for
'hotmail.com' and other Hotmail domains (mx[1-4].hotmail.com) are
either timing out (30s) or getting connection refused since ~11:00am
PDT. Anyone else seeing this? I've tested from a few off-net points
and am seeing the same. Mail is starting to pile up in our queues in
quantity. Given the scale of what this appears to be I assume the team
is already hard at work on it, but the lack of mention here concerns
me, so sorry for the noise if this is too obvious for the list ;-).
Our primary outbound relays are within 64.253.128.0/19
Here are a couple representative logs:
2016-05-25T12:55:19.470647-07:00 skaro postfix/smtp[6486]: connect to
mx1.hotmail.com[65.55.37.104]:25: Connection timed out
2016-05-25T12:55:49.504155-07:00 skaro postfix/smtp[6486]: connect to
mx1.hotmail.com[207.46.8.167]:25: Connection timed out
2016-05-25T12:55:49.513775-07:00 skaro postfix/smtp[6486]: connect to
mx2.hotmail.com[65.55.33.119]:25: Connection refused
2016-05-25T12:56:19.550093-07:00 skaro postfix/smtp[6486]: connect to
mx1.hotmail.com[134.170.2.199]:25: Connection timed out
2016-05-25T12:56:49.583216-07:00 skaro postfix/smtp[6486]: connect to
mx1.hotmail.com[65.54.188.110]:25: Connection timed out
2016-05-25T12:56:49.585566-07:00 skaro postfix/smtp[6486]: 3F2D5FFC9B:
to=<indra_...@hotmail.com>, relay=none, delay=120,
delays=0.17/0/120/0, dsn=4.4.1, status=deferred (connect to
mx1.hotmail.com[65.54.188.110]:25: Connection timed out)
2016-05-25T12:59:32.971606-07:00 skaro postfix/smtp[5033]: connect to
mx3.hotmail.com[65.55.37.72]:25: Connection timed out
2016-05-25T12:59:32.995152-07:00 skaro postfix/smtp[5033]: connect to
mx4.hotmail.com[65.54.188.126]:25: Connection refused
2016-05-25T13:00:03.033047-07:00 skaro postfix/smtp[5033]: connect to
mx2.hotmail.com[207.46.8.167]:25: Connection timed out
2016-05-25T13:00:33.066589-07:00 skaro postfix/smtp[5033]: connect to
mx4.hotmail.com[207.46.8.199]:25: Connection timed out
2016-05-25T13:00:33.076153-07:00 skaro postfix/smtp[5033]: connect to
mx2.hotmail.com[65.55.33.119]:25: Connection refused
2016-05-25T13:00:33.080762-07:00 skaro postfix/smtp[5033]: 25B4FFFC00:
to=<cynthia_lamber...@outlook.com>, relay=none, delay=91,
delays=0.78/0/90/0, dsn=4.4.1, status=deferred (connect to
mx2.hotmail.com[65.55.33.119]:25: Connection refused)
2016-05-25T13:02:08.167728-07:00 skaro postfix/smtp[7967]: connect to
mx4.hotmail.com[65.55.37.88]:25: Connection timed out
2016-05-25T13:02:08.177325-07:00 skaro postfix/smtp[7967]: connect to
mx4.hotmail.com[65.55.37.120]:25: Connection refused
2016-05-25T13:02:38.208945-07:00 skaro postfix/smtp[7967]: connect to
mx1.hotmail.com[65.54.188.72]:25: Connection timed out
2016-05-25T13:03:08.242467-07:00 skaro postfix/smtp[7967]: connect to
mx1.hotmail.com[207.46.8.167]:25: Connection timed out
2016-05-25T13:03:38.275974-07:00 skaro postfix/smtp[7967]: connect to
mx3.hotmail.com[207.46.8.199]:25: Connection timed out
2016-05-25T13:03:38.278894-07:00 skaro postfix/smtp[7967]: 7DA71FFC4D:
to=<brendayle...@outlook.com>, relay=none, delay=3265,
delays=3145/0/120/0, dsn=4.4.1, status=deferred (connect to
mx3.hotmail.com[207.46.8.199]:25: Connection timed out)
Keenan
Stargate Connections AS19171
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We started seeing the same thing at ~ 1:40 p.m. Central time. All
connections to their MXs are timing out.
Steve
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