From mimecast:
[Identified] We can confirm we experienced a major power outage in one of our US data centers that impacted all power supply sources, including the backup generators, which in turn caused a cascading issue and resulted in degraded performance. Midway through our Disaster Recovery Process, the power was restored which complicated our ability to recover. As of now, services are available and we are processing email but customers may still experience delays until the backlog clears. We sincerely apologize for the extended outage and the disruption caused. -----Original Message----- From: Outages <outages-bounces@outages.org> On Behalf Of Mike Lewinski via Outages Sent: Tuesday, May 03, 2022 11:49 AM To: outages (outages@outages.org) <outages@outages.org> Subject: [outages] Mimecast SMTP outage I'm unable to reach the SMTP service on us-smtp-inbound-1.mimecast.com or us-smtp-inbound-2.mimecast.com from multiple markets: Dallas, Denver, Phoenix. I can reach them from Atlanta and Seattle. They are reachable on at least one address in Los Angeles, unreachable on others. Dallas: $ telnet us-smtp-inbound-1.mimecast.com 25 Trying 205.139.110.221... Trying 207.211.30.221... Trying 207.211.30.141... Trying 205.139.110.141... Trying 205.139.110.242... Trying 207.211.30.242... telnet: Unable to connect to remote host: Connection timed out Denver: $ telnet us-smtp-inbound-1.mimecast.com 25 Trying 207.211.30.221... Trying 207.211.30.242... Trying 207.211.30.141... Trying 205.139.110.242... Trying 205.139.110.221... Trying 205.139.110.141... telnet: Unable to connect to remote host: Connection timed out Finally found one host in LA that worked after two failures: $ telnet us-smtp-inbound-1.mimecast.com 25 Trying 205.139.110.221... Trying 205.139.110.141... Trying 207.211.30.242... Connected to us-smtp-inbound-1.mimecast.com. Escape character is '^]'. 220 us-smtp-1.mimecast.com ESMTP; Tue, 03 May 2022 12:38:11 -0400 QUIT 221 Service closing transmission channel [uajtgwEROGqfo99gP4hQyg.us397] Connection closed by foreign host. $ mtr -r -c3 -w 205.139.110.221 Start: 2022-05-03T10:43:06-0600 HOST: los-angeles Loss% Snt Last Avg Best Wrst StDev 1.|-- LA624-C6504-1-VL624.massivenetworks.net 0.0% 3 0.6 0.5 0.5 0.6 0.1 2.|-- 199.45.152.18 0.0% 3 0.4 0.4 0.4 0.4 0.0 3.|-- xe-10-0-0.edge1.LosAngeles9.Level3.net 0.0% 3 4.7 2.0 0.6 4.7 2.4 4.|-- ??? 100.0 3 0.0 0.0 0.0 0.0 0.0 5.|-- MIMECAST-SE.ear1.NewYork6.Level3.net 0.0% 3 68.8 68.8 68.7 68.8 0.1 6.|-- ??? 100.0 3 0.0 0.0 0.0 0.0 0.0 $ mtr -r -c3 -w 207.211.30.242 Start: 2022-05-03T10:47:11-0600 HOST: los-angeles Loss% Snt Last Avg Best Wrst StDev 1.|-- LA624-C6504-1-VL624.massivenetworks.net 0.0% 3 0.6 0.5 0.4 0.6 0.1 2.|-- 199.45.152.18 0.0% 3 0.4 0.4 0.4 0.5 0.1 3.|-- et-0-0-6-2.cr4-lax2.ip4.gtt.net 0.0% 3 0.4 0.5 0.4 0.6 0.1 4.|-- ae23.cr3-lax1.ip4.gtt.net 0.0% 3 1.3 1.3 1.1 1.3 0.1 5.|-- ae-3.r01.lsanca07.us.bb.gin.ntt.net 0.0% 3 1.3 1.2 1.2 1.3 0.1 6.|-- ??? 100.0 3 0.0 0.0 0.0 0.0 0.0 7.|-- ae-3.r24.snjsca04.us.bb.gin.ntt.net 33.3% 3 15.4 13.7 12.1 15.4 2.4 8.|-- ae-8.r23.chcgil09.us.bb.gin.ntt.net 0.0% 3 57.3 58.0 57.3 58.9 0.8 9.|-- ae-0.r22.chcgil09.us.bb.gin.ntt.net 0.0% 3 64.4 61.5 58.9 64.4 2.8 10.|-- ae-6.r21.nwrknj03.us.bb.gin.ntt.net 0.0% 3 69.7 71.2 69.4 74.6 2.9 11.|-- ae-11.r01.nycmny17.us.bb.gin.ntt.net 0.0% 3 70.2 70.0 69.8 70.2 0.2 12.|-- ce-0-8-0-3-200.r01.nycmny17.us.ce.gin.ntt.net 0.0% 3 74.9 87.4 74.9 112.2 21.5 13.|-- ??? 100.0 3 0.0 0.0 0.0 0.0 0.0 $ Phoenix: $ telnet us-smtp-inbound-1.mimecast.com 25 Trying 207.211.30.141... Trying 207.211.30.221... Trying 205.139.110.141... Trying 205.139.110.242... Trying 207.211.30.242... Trying 205.139.110.221... telnet: Unable to connect to remote host: Connection timed out $ Seattle: $ telnet us-smtp-inbound-1.mimecast.com 25 Trying 207.211.30.141... Connected to us-smtp-inbound-1.mimecast.com. Escape character is '^]'. 220 us-smtp-1.mimecast.com ESMTP; Tue, 03 May 2022 12:34:04 -0400 QUIT 221 Service closing transmission channel [0EM41sKhMWizUnOQs3cnYQ.us479] Connection closed by foreign host. $ mtr -r -c3 -w us-smtp-inbound-1.mimecast.com Start: 2022-05-03T10:37:23-0600 HOST: seattle Loss% Snt Last Avg Best Wrst StDev 1.|-- 204.144.179.129 0.0% 3 0.4 0.4 0.4 0.5 0.0 2.|-- 9-1-4.ear1.Seattle3.Level3.net 0.0% 3 0.5 0.6 0.5 0.7 0.1 3.|-- ??? 100.0 3 0.0 0.0 0.0 0.0 0.0 4.|-- MIMECAST-SE.ear1.NewYork6.Level3.net 0.0% 3 76.6 76.6 76.5 76.7 0.1 5.|-- ??? 100.0 3 0.0 0.0 0.0 0.0 0.0 $ Atlanta: $ telnet us-smtp-inbound-1.mimecast.com 25 Trying 207.211.30.242... Connected to us-smtp-inbound-1.mimecast.com. Escape character is '^]'. 220 us-smtp-1.mimecast.com ESMTP; Tue, 03 May 2022 12:08:11 -0400 QUIT 221 Service closing transmission channel [M0wFRdZ-NhONlAOBhS22Sg.us227] Connection closed by foreign host. $ mtr 207.211.30.242 -w -r -c 3 Start: Tue May 3 10:17:58 2022 HOST: atlanta Loss% Snt Last Avg Best Wrst StDev 1.|-- Atl55-C6504-1-VL412.massivenetworks.net 0.0% 3 0.3 0.4 0.3 0.7 0.0 2.|-- 6-2-2.ear3.Atlanta2.Level3.net 0.0% 3 0.3 0.3 0.3 0.3 0.0 3.|-- 4.69.217.206 0.0% 3 17.9 7.3 1.5 17.9 9.1 4.|-- NTT-level3-100G.Atlanta2.Level3.net 0.0% 3 1.1 1.0 0.8 1.1 0.0 5.|-- ae-4.r23.atlnga05.us.bb.gin.ntt.net 0.0% 3 1.3 2.6 0.5 6.0 2.9 6.|-- ae-4.r25.asbnva02.us.bb.gin.ntt.net 0.0% 3 13.0 13.6 13.0 14.2 0.0 7.|-- ae-4.r21.nwrknj03.us.bb.gin.ntt.net 33.3% 3 18.9 18.8 18.7 18.9 0.0 8.|-- ae-11.r01.nycmny17.us.bb.gin.ntt.net 0.0% 3 19.3 19.2 19.0 19.3 0.0 9.|-- ce-0-8-0-3-200.r01.nycmny17.us.ce.gin.ntt.net 0.0% 3 24.8 24.7 24.5 24.8 0.0 10.|-- ??? 100.0 3 0.0 0.0 0.0 0.0 0.0 This electronic mail message and any attached files contain information intended for the exclusive use of the individual or entity to whom it is addressed and may contain information that is proprietary, confidential and/or exempt from disclosure under applicable law. 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