Sine incident

Some emails being blocked by SpamCop

Resolved after 19 hours 52 minutes, affecting Sendgrid Email Gateway, on January 21, 2025.

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

Started
Jan 21, 2025, 06:15 AM UTC
Resolved
Jan 22, 2025, 02:08 AM UTC
Duration
19h 52m
Detected by Pingoru
Jan 21, 2025, 06:15 AM UTC

Affected components

Sendgrid Email Gateway

Update timeline

  1. 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

  2. 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

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