Disruption with email services
Timeline · 1 update
- resolved Jul 29, 2026, 08:21 AM UTC
We are currently experiencing issues with our upstream email provider. We are investigating the cause and will update as we have further information.
Sine Outage History
Sine is up right nowSine had 17 outages in the last 2 years totaling 897h 35m of downtime — averaging 0.7 incidents per month.
There were 17 Sine outages since August 15, 2024 totaling 897h 35m of downtime. Each is summarised below — incident details, duration, and resolution information.
Major network outage
Affected: SinePoint iPad App (iOS)Twillio SMS Gateway
Timeline · 2 updates
- monitoring Jul 08, 2026, 03:56 AM UTC
We are aware of a Telstra network outage currently causing disruption to our service. Telstra has reported progress toward resolving the issue, and our team is actively monitoring the situation to confirm full stability once it's restored. We appreciate your patience and will provide updates as we learn more — please let us know if you continue to experience issues in the meantime.
- resolved Jul 09, 2026, 03:01 AM UTC
This incident has been resolved.
Disruption delivering to Yahoo email services
Timeline · 3 updates
- investigating May 22, 2026, 12:01 AM UTC
We are currently experiencing issues delivering email to Yahoo services. We will update as we have more information.
- identified May 22, 2026, 05:04 AM UTC
The issue has been identified and a fix is being implemented.
- resolved May 25, 2026, 12:40 AM UTC
This incident has been resolved.
Apple VPP (Volume Purchase Program) / MDM Outage
Affected: SinePoint iPad App (iOS)
Timeline · 2 updates
- investigating Apr 16, 2026, 06:24 AM UTC
Some MDM customers may experience an error or delay with receiving a SinePoint Pro update or app installation. We are working with Apple to return service to normal. You can follow their updates here: https://www.apple.com/au/support/systemstatus/
- resolved Apr 17, 2026, 12:59 AM UTC
This incident has been resolved.
CM3 Integration Issues
Affected: Sine Core
Timeline · 4 updates
- investigating Feb 15, 2026, 10:11 PM UTC
We are investigating an issue with the CM3 integration providing false negatives, resulting in passes being rejected incorrectly.
- identified Feb 15, 2026, 10:40 PM UTC
CM3 have confirmed an issue on their end. We are awaiting further updates.
- monitoring Feb 16, 2026, 01:04 AM UTC
CM3 have deployed a fix and we are monitoring the results.
- resolved Feb 25, 2026, 12:09 AM UTC
The CM3 Integration has been stabilised. Additional logging and alerts have been added to assist with future CM3 events.
Microsoft 365 users seeing delayed email delivery from Sine
Affected: Sendgrid Email Gateway
Timeline · 3 updates
- investigating Jan 22, 2026, 10:16 PM UTC
Microsoft is currently experiencing issues affecting Microsoft 365 services, including problems with email delivery to and from Microsoft 365 accounts (Exchange Online). Recent reports indicate a service degradation or outage impacting inbound and outbound email functionality. Users have encountered errors such as "451 4.3.2 Temporary server error" when attempting to send or receive emails, along with intermittent failures in email delivery. Please see https://status.cloud.microsoft/m365/ for more information We will continue to monitor the issue and Sine emails will retry sending at regular intervals
- investigating Jan 23, 2026, 09:41 PM UTC
We are continuing to investigate this issue.
- resolved Jan 23, 2026, 09:41 PM UTC
https://status.cloud.microsoft/m365/ now lists the incident as resolved
Marketing website interruption
Timeline · 3 updates
- investigating Nov 06, 2025, 06:16 AM UTC
We are aware of an issue with our marketing website, https://www.sine.co/ and are investigating the causes This does not affect the functionality of the Sine products
- monitoring Nov 06, 2025, 06:40 AM UTC
Our marketing website, https://www.sine.co/ is now fixed and we will monitor the issue This did not affect the functionality of the Sine products
- resolved Nov 06, 2025, 06:55 AM UTC
Our marketing website, https://www.sine.co/ is now fixed
Service Advisory: AWS Incident Impacting Downstream Services
Affected: Twillio SMS Gateway
Timeline · 3 updates
- investigating Oct 20, 2025, 09:32 AM UTC
We are currently observing an ongoing incident with AWS that is affecting multiple downstream services, including our SMS provider. Our team is actively monitoring the situation and will provide updates as more information becomes available.
- monitoring Oct 20, 2025, 09:33 AM UTC
A fix has been implemented and we are monitoring the results.
- resolved Oct 20, 2025, 12:10 PM UTC
The AWS incident has been mitigated, and affected services — including our SMS provider — are now recovering. We continue to monitor the situation closely to ensure full stability and will provide further updates if necessary.
Pass signatures blacked-out in check-in forms
Affected: SinePoint iPad App (iOS)
Timeline · 4 updates
- investigating Oct 09, 2025, 12:37 AM UTC
We are currently investigating an issue related to blacked-out visitor signatures visible on passes when viewed via the Sine dashboard. We believe this is related to a compatibility issue on Sinepoint Pro devices running iOS 26. Please do not update your devices to this version until this issue is resolved.
- identified Oct 09, 2025, 03:24 AM UTC
The issue has been identified and a fix is being implemented.
- monitoring Oct 10, 2025, 12:38 AM UTC
A fix has been released and we are monitoring the results. Please upgrade to the latest version of SinePoint Pro if you are encountering this issue.
- resolved Oct 15, 2025, 01:32 AM UTC
This incident has been resolved.
SinePoint Pro disconnecting after software update
Affected: SinePoint iPad App (iOS)
Timeline · 4 updates
- investigating Jul 15, 2025, 03:52 AM UTC
We are currently investigating an issue related to displays that have automatically been disconnected. This seems to apply to displays that were using the legacy username and password based authentication method and were automatically updated to SinePoint Pro version 2.9.0. If you encounter this problem, please restart the SinePoint Pro app and follow the instructions in the link below to reconnect your display. Whilst this investigation is ongoing we have paused automatic updates to managed devices. https://sine.support/en/articles/5990514-connecting-an-ipad-display-using-the-quick-connect-method
- identified Jul 16, 2025, 02:52 AM UTC
We have identified the root cause of the issue and will be releasing an update to SinePoint Pro shortly.
- monitoring Jul 18, 2025, 03:07 AM UTC
The SinePoint Pro update has been released. We will continue to monitor its impact on this issue.
- resolved Jul 21, 2025, 06:22 AM UTC
This incident has been resolved.
SinePoint Pro printing blank badges
Affected: SinePoint iPad App (iOS)
Timeline · 3 updates
- investigating Apr 01, 2025, 11:58 PM UTC
We have multiple reports of SinePoint Pro printing badges with no content (blank). We are investigating the issue.
- monitoring Apr 02, 2025, 01:29 AM UTC
The issue has been identified and a fix deployed. We will continue to monitor the impact and work to mitigate any further issues.
- resolved Apr 02, 2025, 11:42 PM UTC
No further issues have been observed. We will continue to monitor and improve reliability of the feature.
Outlook Add-in connection issues
Timeline · 2 updates
- identified Mar 19, 2025, 04:54 AM UTC
We're aware of some users of the Sine for Outlook add-in having connection problems due to Microsoft's phasing out of legacy authentication tokens. An updated version of the add-in will be released soon. For troubleshooting assistance, please see the support documentation: https://sine.support/en/articles/5950232-sine-for-outlook-add-in
- resolved Mar 24, 2025, 02:02 AM UTC
This incident has been resolved.
Dashboard stuck loading
Affected: Sine CoreSine WorkflowsSine Companies
Timeline · 3 updates
- investigating Feb 26, 2025, 01:33 AM UTC
An issue has been identified where the Dashboard gets stuck in a loading state for some users. We are investigating the issue and will provide an update soon.
- monitoring Feb 26, 2025, 03:32 AM UTC
A networking issue has been identified and a temporary fix has been deployed, which has circumvented the issue. We will continue to monitor whilst implementing a more permanent fix.
- resolved Feb 26, 2025, 11:05 PM UTC
The issue has been resolved. We will continue to monitor and make incremental improvements to prevent similar issues in the future.
Some mobile checkouts failing
Affected: Sine Mobile App (iOS)Sine Mobile App (Android)
Timeline · 4 updates
- investigating Feb 06, 2025, 08:18 AM UTC
Some user's of the Sine Pro mobile app are unable to check out from their device. Our engineers are investigating to identify the root cause.
- identified Feb 06, 2025, 10:43 AM UTC
The issue has been identified as impacting sites with linked forms. A fix is in the process of being tested and rolled out.
- monitoring Feb 06, 2025, 12:46 PM UTC
We have deployed a fix and are monitoring the impact.
- resolved Feb 06, 2025, 11:51 PM UTC
The issue has been resolved. Both iOS and Android app users can successfully check out.
Some emails being blocked by SpamCop
Affected: Sendgrid Email Gateway
Timeline · 2 updates
- identified Jan 21, 2025, 06:15 AM UTC
Some emails sent by Sine are being blocked by SpamCop, an independent service that attempts to determine if emails are legitimate before delivering to recipients. We are working with SpamCop to overcome the block. Please consider whitelisting Sine emails to ensure deliverability. See here for more information: https://www.spamcop.net/bl.shtml?167.89.68.46
- resolved Jan 22, 2025, 02:08 AM UTC
The issue has been addressed by SpamCop and services have been restored. To avoid this issue in the future, please consider whitelisting Sine emails to ensure deliverability. See here for more information: https://sine.support/en/articles/2103291-firewall-rules-and-whitelisting
Some iPad check-ins requiring email or mobile when both should be optional
Affected: SinePoint iPad App (iOS)
Timeline · 3 updates
- identified Oct 02, 2024, 03:16 AM UTC
When a site requires neither email nor mobile upon check-in, Sine Point Pro (iPad app) currently enforces at least one to be specified. The issue has been identified and a fix is in progress.
- monitoring Oct 03, 2024, 01:33 AM UTC
A new version of SinePoint Pro (iPad app) has been released. Please update to the latest version. We will continue to monitor for any further issues.
- resolved Oct 03, 2024, 07:28 AM UTC
This incident has been resolved.
Some check-ins showing incorrect visitor details
Affected: Sine Core
Timeline · 3 updates
- identified Aug 15, 2024, 07:31 AM UTC
Our team have identified a small number of check-in events that are displaying incorrect data. These events are linked to visits, on both iPad and dashboard, that use a verified mobile number that was previously used by a different visitor/contractor. Our team are aware of the issue and are implementing a fix.
- monitoring Aug 15, 2024, 08:32 AM UTC
A fix has been implemented and we are monitoring the results.
- resolved Aug 16, 2024, 04:40 AM UTC
The issue has been resolved. We will continue to monitor the results.