Email spam filters cost GOP fundraisers estimated $117M in donations last year: bombshell study

Republican candidates lost out on an estimated $117 million in donations during two periods last year in which fundraising ...
Ars Technica

What's up with Yahoo's spam filtering ??

Since it's introduction up until about 2 months ago I thought it functionned perfectly. Never got spam in my Inbox and never got sollicited email in the bulk folder. But recently it seems to be fooled ...