Microsoft having trouble handling Black Friday surge

Starting Friday 24th November this year, it appears that Microsoft had been experiencing issues in relation with one of the most important day of the year in terms of sales for retailers. It seems that Microsoft infrastructure has been struggling to cope with the high inbound traffic which was being received from retailers on Black… Read More: Microsoft having trouble handling Black Friday surge »

Microsoft SCL

Every time a message is received at Microsoft side, it is going through their spam filtering system which gives it a spam score. The related spam score will then be assigned an individual Spam Confidence Level (SCL) rating which is then included as an X-header to the related email header. Microsoft automated systems will then… Read More: Microsoft SCL »

How Microsoft uses Certified Senders Alliance

Microsoft has recently revealed that it now uses Certified Senders Alliance (CSA) to get more information when they need additional data regarding a questionable sender which generated complaints from their users but not enough to be categorized as bad. Here are the cases where Microsoft uses CSA data: a) We regularly see spam complaints from… Read More: How Microsoft uses Certified Senders Alliance »