Deliverability issues with emails sent to @sfr.fr recipients

According to the SFR engineering team, the issue was solved on the 15th of October at 21:00 UTC+2 (Paris time). The number of deferred emails is back to normal.

According to SFR communication, the situation should have been resolved yesterday. We have not noticed any improvement yet. We are continuing to investigate this issue with SFR.

According to SFR, the root cause of the issue has been identified and is an internal problem with their platform. It should be resolved by 18:00 UTC+2 (Paris time) at the latest.

All email addresses handled by SFR systems are throttled once again, we are working with them to resolve the issue.

The emails sent to SFR domains aren't blocked anymore. We are still investigating the issue.

We are continuing to investigate this issue with the help of SFR.

We are working with SFR to understand the root cause and fix the incident.

All email addresses handled by SFR systems are still throttled, i.e. recipients with sfr.fr, neuf.fr, club-internet.fr, numericable.fr addresses are not receiving emails.

We are continuing to investigate this issue.

We started seing deferred emails at 10:28 UTC+2 (Paris time) this morning. The root cause of the incident is yet to be determined.