Sine experienced a notice incident on January 21, 2025 affecting Sendgrid Email Gateway, lasting 19h 52m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- 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