Past Incidents

MAINTENANCE Maintenance
DELAY Delays
DEGRADED Degraded performance
DOWN Downtime

August 2017
- DEGRADEDDelays in sending template emails
  Aug 7, 7:32 - 8:04 AMResolved after 32 minutes
July 2017
- DEGRADEDDelays: Outbound and inbound email through SMTP, open tracking
  Jul 14, 6:18 - 6:54 PMResolved after 36 minutes
June 2017
- DOWNActivity updates delayed/missing activity messages - outbound sending not affected
  Jun 30, 12:26 - 5:39 PMResolved after 5 hours
- MAINTENANCEServer creation maintenance 2017-06-22 at 10PM Eastern
  Jun 22, 2:19 - 11:26 PMResolved after 9 hours
- MAINTENANCEPostmark Servers maintenance
  Jun 20, 10:05 - 11:36 PMResolved after 2 hours
- DEGRADEDBounce processing delayed
  Jun 11, 11:37 AM - 5:32 PMResolved after 6 hours
- DEGRADEDOutbound email delays
  Jun 1, 10:40 AM - 12:18 PMResolved after 2 hours
May 2017
- MAINTENANCEScheduled database maintenance started
  May 25, 10 - 10:45 PMResolved after an hour
- DEGRADEDSlight delays in outbound sending
  May 24, 10:14 - 10:30 AMResolved after 16 minutes
- DEGRADEDDelays in Inbound processing
  May 16, 12:16 - 12:59 PMResolved after 43 minutes
- DELAYEmail delivery delayed to some domains due to Proofpoint blocking
  May 3, 8:49 AM - 1:32 PMResolved after 5 hours
- DEGRADEDPostmark incident: inbound message data loss
  May 2, 1:12 - 6:44 PMResolved after 6 hours
- DEGRADEDWe're seeing some connectivity issues and delays for SMTP sending.
  May 2, 11:40 AM - 12:45 PMResolved after an hour
April 2017
- DEGRADEDOutbound emails currently delayed
  Apr 21, 11:06 AM - 3:21 PMResolved after 4 hours
- MAINTENANCEScheduled database maintenance at 10pm Eastern
  Apr 20, 9:25 - 10:57 PMResolved after 2 hours
- DEGRADEDMessage details pages currently not loading - message sending/receiving not affected
  Apr 1, 10:18 - 10:46 AMResolved after 28 minutes
- DEGRADEDMessage details page not loading - outbound/inbound
  Apr 1, 8:33 - 9:48 AMResolved after an hour
March 2017
- MAINTENANCEDatabase maintenance starting at 12:55pm Eastern
  Mar 30, 12:48 - 1:12 PMResolved after 24 minutes
- MAINTENANCEDatabase maintenance at 10pm Eastern, estimated 10 minutes
  Mar 29, 9:25 - 10:26 PMResolved after an hour
- DEGRADEDServer creation/update failing
  Mar 20, 12 - 2:49 AMResolved after 3 hours
- DEGRADEDOpen tracking processing is delayed
  Mar 2, 4:51 - 6:29 AMResolved after 2 hours
February 2017
- DEGRADEDWebhook processing is delayed
  Feb 28, 1:17 - 5:27 PMResolved after 4 hours
- DEGRADEDWe are currently experiencing outbound delays
  Feb 22, 9:14 - 9:25 PMResolved after 11 minutes
- DEGRADEDDaily Stats are currently delayed
  Feb 21, 11:29 AM - 12 PMResolved after 31 minutes
- DEGRADEDWe are currently experiencing sending delays
  Feb 14, 11:26 AM - 1:19 PMResolved after 2 hours
January 2017
- DELAYEmail delivery delayed to some domains due to Proofpoint blocking
  Jan 27, 6:51 PM - Jan 28, 11:16 PMResolved after a day
- DEGRADEDEmail delivery delayed for a portion of emails
  Jan 26, 12:20 - 12:53 AMResolved after 33 minutes
December 2016
- DEGRADEDWe are currently experiencing sending delays
  Dec 19, 2016, 2:16 - 4:47 PMResolved after 3 hours
- DEGRADEDInvestigating errors in the API
  Dec 19, 2016, 12:29 - 12:36 PMResolved after 7 minutes
- DELAYWe're seeing some delivery issues to AOL accounts
  Dec 13, 1:34 PM - Dec 15, 9:19 AM, 2016Resolved after 2 days
- DEGRADEDInbound processing is currently delayed
  Dec 12, 2016, 5:35 - 5:52 AMResolved after 17 minutes
- MAINTENANCEDatabase maintenance at 9PM EST
  Dec 3, 2016, 8:50 - 9:30 PMResolved after 40 minutes
November 2016
- DEGRADEDSlight delays in sending
  Nov 28, 2016, 10:34 - 11:53 AMResolved after an hour
- DOWNAPI timeouts and high response times
  Nov 17, 2016, 9:52 - 10:14 AMResolved after 22 minutes
- DEGRADEDIntermittent API call failures and short delays
  Nov 16, 2016, 10:27 - 10:43 AMResolved after 16 minutes
- DEGRADEDInbound processing is currently delayed
  Nov 3, 2016, 9:41 - 10:21 AMResolved after 40 minutes
October 2016
- DOWNDNS lookups to postmarkapp.com are failing
  Oct 21, 2016, 8:52 AM - 3:56 PMResolved after 7 hours
- DOWNWe are currently experiencing API downtime
  Oct 18, 2016, 7:10 - 7:14 AMResolved after 4 minutes
- DEGRADEDInbound messages are slightly delayed
  Oct 13, 2016, 10:56 - 11:46 AMResolved after an hour
- DEGRADEDOutbound messages are currently delayed
  Oct 10, 2016, 6:18 - 6:24 PMResolved after 6 minutes
- DEGRADEDSending delays
  Oct 10, 2016, 1:45 - 3 PMResolved after an hour
- DEGRADEDDelaying in inbound and outbound processing
  Oct 7, 2016, 10:11 - 10:31 PMResolved after 20 minutes
- DEGRADEDExperiencing small delays in outbound sending
  Oct 7, 2016, 10:21 - 11:35 AMResolved after an hour
- DEGRADEDWe are currently experiencing inbound and outbound delays
  Oct 7, 2016, 12:12 - 12:55 AMResolved after 43 minutes
- DEGRADEDDelays in inbound processing and sending emails by smtp
  Oct 5, 2016, 8:27 - 9:27 AMResolved after an hour
- DEGRADEDDelays in outbound sending
  Oct 4, 2016, 10:18 - 10:58 AMResolved after 40 minutes
September 2016
- DEGRADEDInbound and outbound processing delays
  Sep 23, 2016, 11:02 AM - 12:12 PMResolved after an hour
- DELAYProblems with network connectivity and delays in SMTP sending
  Sep 14, 2016, 3:48 - 4:13 AMResolved after 25 minutes
- DEGRADEDWe are currently seeing some delays for inbound and outbound messages
  Sep 7, 2016, 1:56 - 4:38 PMResolved after 3 hours
August 2016
- DEGRADEDStatistics endpoints and UI for a small number of Servers are temporarily unavailable.
  Aug 18, 2016, 8:26 - 9:54 AMResolved after an hour
July 2016
- MAINTENANCEDatabase maintenance - messages may be delayed shortly
  Jul 30, 2016, 9:04 - 9:20 PMResolved after 16 minutes
- DEGRADEDWe are currently seeing some delays for inbound and outbound messages
  Jul 29, 2016, 9:39 - 10:17 AMResolved after 38 minutes
- DEGRADEDWe are currently experiencing inbound and outbound delays
  Jul 25, 2016, 10:24 AM - 4:37 PMResolved after 6 hours
- DEGRADEDActivity pages temporary disabled
  Jul 19, 2016, 7:44 - 8:42 AMResolved after an hour
- DEGRADEDOutbound and inbound messages delayed
  Jul 11, 2016, 9:20 - 11:04 PMResolved after 2 hours
- DELAYOutbound & Inbound messages slightly delayed
  Jul 11, 2016, 11:16 - 11:32 AMResolved after 16 minutes
- DELAYDDOS causing connection timeouts and network errors
  Jul 9, 2016, 8:43 - 8:55 AMResolved after 12 minutes
- MAINTENANCEWe're performing a database maintenance
  Jul 2, 2016, 7 - 7:23 AMResolved after 23 minutes
June 2016
- DEGRADEDInbound processing is slightly delayed. Outbound sending is not being affected.
  Jun 30, 2016, 9:22 - 9:42 AMResolved after 20 minutes
- DEGRADEDOutbound Activity statuses are currently delayed but sending is not affected.
  Jun 27, 2016, 9:50 AM - 12:04 PMResolved after 2 hours
- DEGRADEDWe are continuing to recover activity history from the Elastic Search issue this week.
  Jun 23, 8:56 AM - Jun 28, 9:14 AM, 2016Resolved after 5 days
- DEGRADEDActivity statuses are delayed (no sending/receiving delays)
  Jun 22, 2016, 10:13 - 11:31 AMResolved after an hour
- DEGRADEDInbound and outbound messages delayed
  Jun 20, 2016, 3:03 - 7:12 PMResolved after 4 hours
- DOWNShort service interruption
  Jun 16, 2016, 1:17 - 1:20 AMResolved after 3 minutes
- DELAYThere are some delays in sending to domains using McAfee
  Jun 8, 2016, 3:04 - 11:13 PMResolved after 8 hours
- DOWNConnectivitiy issues
  Jun 1, 2016, 7:23 - 7:55 PMResolved after 32 minutes
May 2016
- DEGRADEDMessages are being sent and processed immediately but message statuses are slightly delayed in being updated.
  May 31, 2016, 10:29 - 10:59 AMResolved after 30 minutes
- DOWNDDOS causing connection issues
  May 26, 2016, 6:05 - 10:31 AMResolved after 4 hours
- DELAYWe're seeing some delays on messages being sent to Hotmail caused by an issue on their end.
  May 25, 2016, 3:17 - 10:09 PMResolved after 7 hours
- DEGRADEDInbound/Outbound activity access disabled
  May 23, 2016, 8:39 - 10:59 AMResolved after 2 hours
- DEGRADEDDelays in outbound sending
  May 13, 2016, 6:31 - 8:08 AMResolved after 2 hours
- DEGRADEDDelays in activity UI
  May 12, 2016, 7:14 - 7:32 PMResolved after 18 minutes
- DELAYDelays and bounces to Microsoft domains
  May 12, 2016, 12:48 - 7:33 PMResolved after 7 hours
April 2016
- DELAYOutbound sending delays
  Apr 26, 2016, 1:12 - 1:52 PMResolved after 40 minutes
- MAINTENANCE[Maintenance] Today, April 21st, at 12pm EDT we will be performing an emergency update.
  Apr 21, 2016, 11:41 AM - 1:28 PMResolved after 2 hours
- DELAYOutbound sending delays
  Apr 20, 2016, 11:32 AM - 7:22 PMResolved after 8 hours
- DEGRADEDOutbound sending is currently delayed
  Apr 15, 2016, 3:19 - 3:31 PMResolved after 12 minutes
- DELAYInbound processing and webhooks are currently delayed
  Apr 11, 2016, 6:14 - 7:13 PMResolved after an hour
- DEGRADEDSending delays to Hotmail
  Apr 9, 2016, 5:31 - 7:46 PMResolved after 2 hours
- DEGRADEDSending delays to Yahoo
  Apr 8, 2016, 10:05 - 10:29 PMResolved after 24 minutes
March 2016
- DELAYConnection issues and errors delivering email to Yahoo
  Mar 20, 2016, 1:44 - 4:32 PMResolved after 3 hours
- DELAYDelays on outbound sending
  Mar 18, 2016, 6:42 - 6:47 AMResolved after 5 minutes
- DOWNSporadic network outages
  Mar 6, 2016, 9:39 - 10:14 AMResolved after 35 minutes
February 2016
- DOWNSystem downtime
  Feb 10, 2016, 12:03 - 12:22 PMResolved after 19 minutes
- DEGRADEDActivity has been turned off temporarily
  Feb 1, 2016, 2:45 - 5:40 PMResolved after 3 hours
January 2016
- DELAYSporadic email delays
  Jan 29, 2016, 11:04 - 11:15 PMResolved after 11 minutes
- DOWNSystem downtime
  Jan 24, 2016, 1:42 - 1:46 PMResolved after 4 minutes
- MAINTENANCENetwork maintenance
  Jan 22, 10:03 PMResolved after a few seconds
December 2015
- DOWNDatabase spike and temporary API timeouts
  Dec 10, 4:05 PMResolved after a few seconds
- DOWNHigh latency and network issues
  Dec 3, 2015, 7:25 - 7:51 AMResolved after 26 minutes

Past Incidents

DEGRADEDDelays in sending template emails

DEGRADEDDelays: Outbound and inbound email through SMTP, open tracking

DOWNActivity updates delayed/missing activity messages - outbound sending not affected

MAINTENANCEServer creation maintenance 2017-06-22 at 10PM Eastern

MAINTENANCEPostmark Servers maintenance

DEGRADEDBounce processing delayed

DEGRADEDOutbound email delays

MAINTENANCEScheduled database maintenance started

DEGRADEDSlight delays in outbound sending

DEGRADEDDelays in Inbound processing

DELAYEmail delivery delayed to some domains due to Proofpoint blocking

DEGRADEDPostmark incident: inbound message data loss

DEGRADEDWe're seeing some connectivity issues and delays for SMTP sending.

DEGRADEDOutbound emails currently delayed

MAINTENANCEScheduled database maintenance at 10pm Eastern

DEGRADEDMessage details pages currently not loading - message sending/receiving not affected

DEGRADEDMessage details page not loading - outbound/inbound

MAINTENANCEDatabase maintenance starting at 12:55pm Eastern

MAINTENANCEDatabase maintenance at 10pm Eastern, estimated 10 minutes

DEGRADEDServer creation/update failing

DEGRADEDOpen tracking processing is delayed

DEGRADEDWebhook processing is delayed

DEGRADEDWe are currently experiencing outbound delays

DEGRADEDDaily Stats are currently delayed

DEGRADEDWe are currently experiencing sending delays

DELAYEmail delivery delayed to some domains due to Proofpoint blocking

DEGRADEDEmail delivery delayed for a portion of emails

DEGRADEDWe are currently experiencing sending delays

DEGRADEDInvestigating errors in the API

DELAYWe're seeing some delivery issues to AOL accounts

DEGRADEDInbound processing is currently delayed

MAINTENANCEDatabase maintenance at 9PM EST

DEGRADEDSlight delays in sending

DOWNAPI timeouts and high response times

DEGRADEDIntermittent API call failures and short delays

DEGRADEDInbound processing is currently delayed

DOWNDNS lookups to postmarkapp.com are failing

DOWNWe are currently experiencing API downtime

DEGRADEDInbound messages are slightly delayed

DEGRADEDOutbound messages are currently delayed

DEGRADEDSending delays

DEGRADEDDelaying in inbound and outbound processing

DEGRADEDExperiencing small delays in outbound sending

DEGRADEDWe are currently experiencing inbound and outbound delays

DEGRADEDDelays in inbound processing and sending emails by smtp

DEGRADEDDelays in outbound sending

DEGRADEDInbound and outbound processing delays

DELAYProblems with network connectivity and delays in SMTP sending

DEGRADEDWe are currently seeing some delays for inbound and outbound messages

DEGRADEDStatistics endpoints and UI for a small number of Servers are temporarily unavailable.

MAINTENANCEDatabase maintenance - messages may be delayed shortly

DEGRADEDWe are currently seeing some delays for inbound and outbound messages

DEGRADEDWe are currently experiencing inbound and outbound delays

DEGRADEDActivity pages temporary disabled

DEGRADEDOutbound and inbound messages delayed

DELAYOutbound & Inbound messages slightly delayed

DELAYDDOS causing connection timeouts and network errors

MAINTENANCEWe're performing a database maintenance

DEGRADEDInbound processing is slightly delayed. Outbound sending is not being affected.

DEGRADEDOutbound Activity statuses are currently delayed but sending is not affected.

DEGRADEDWe are continuing to recover activity history from the Elastic Search issue this week.

DEGRADEDActivity statuses are delayed (no sending/receiving delays)

DEGRADEDInbound and outbound messages delayed

DOWNShort service interruption

DELAYThere are some delays in sending to domains using McAfee

DOWNConnectivitiy issues

DEGRADEDMessages are being sent and processed immediately but message statuses are slightly delayed in being updated.

DOWNDDOS causing connection issues

DELAYWe're seeing some delays on messages being sent to Hotmail caused by an issue on their end.

DEGRADEDInbound/Outbound activity access disabled

DEGRADEDDelays in outbound sending

DEGRADEDDelays in activity UI

DELAYDelays and bounces to Microsoft domains

DELAYOutbound sending delays

MAINTENANCE[Maintenance] Today, April 21st, at 12pm EDT we will be performing an emergency update.

DELAYOutbound sending delays

DEGRADEDOutbound sending is currently delayed

DELAYInbound processing and webhooks are currently delayed

DEGRADEDSending delays to Hotmail