As of 6pm UTC the fbl.returnpath.com website is down. Return Path are aware of the issue and are working to fix it. I haven’t seen any estimated time to fix.
But, it’s not just you and they are aware.
EDIT: And 30 minutes after I posted this, it’s back. All fixed! Go and submit your FBL changes.
Return Path has released their 2017 Deliverability Benchmark Report. I haven’t had a chance to look at it, but did download it earlier today.
EContent has a summary of the article up, with the headline Research Finds Email Senders with Strong Subscriber Engagement Are Likely to See Less Email Delivered to Spam. Useful data points they pulled out include:
Things have been a little unsettled at Microsoft webmail properties over the last few months. A number of ESPs reported significantly increased deferrals from Microsoft properties starting sometime late in November. Others saw reduced open rates across their customer base starting in late October. More recently, people are noticing higher complaint rates as well as an increase in mail being dropped on the floor. Additionally, Return Path announced certification changes at the end of November lowering the Microsoft overall complaint rate to 0.2%, half of what is was previously.
Overall, sending mail to Microsoft is a challenge lately. This is all correlated with visible changes which may seem unrelated to deliverability, but actually are. What are the changes we know about?
The Roadrunner Postmaster page says the FBL is deactivated.
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