Email delivery issues affecting SMTP channels [smtp] [partner]

Incident Report for Front

Resolved

This incident has been resolved. We will be reaching out to affected customers with more information.
Posted Jan 28, 2021 - 03:58 UTC

Monitoring

A fix has been deployed. New emails should send successfully and you should not receive any new emails from Sendgrid support referencing "Invalid SMTPAPI Header".
Posted Jan 28, 2021 - 03:27 UTC

Update

The team expects to deploy a fix to production within the next 20 minutes.
Posted Jan 28, 2021 - 02:55 UTC

Identified

You may receive emails from Sendgrid support referencing "Invalid SMTPAPI Header" related to this incident. The team is actively working on a fix.
Posted Jan 28, 2021 - 01:25 UTC

Investigating

We are currently investigating this issue.
Posted Jan 28, 2021 - 01:02 UTC
This incident affected: SMTP (non-Gmail / O365).