Some time ago, something changed in the configuration of the Yahoo Mail servers that started causing sender verification to fail for certain users. Unfortunately, we were unaware

of the problem for a long time (quick note: feel free to nag us if you see issues like this!). We recently took some time to investigate the problem and came up with a solution.

If you previously disabled sender verification due to this issue with your Yahoo email address, we strongly encourage you to re-enable the setting in your tweetymail account. Let us know if you experience any other issues.