Category Archives: Webmails

More marketers wants to send communications through TLS

Across the last couple of months I have seen more and more marketers asking for the possibility to send out their communications through a secured end-to-end encrypted connection. A while ago, Gmail started to promote TLS (Transport Layer Security) encryption for marketers sending communications towards individuals using their services. While, the fact of not sending… Read More »

Laposte.net delivery issues

You might have been experiencing delivery issues to “laposte.net” recipients, as of the beginning of the month, Laposte.net has been experiencing severe issues generating delays in the reception of incoming emails. A large part of emails aimed at @laposte.net users are currently being rejected with the following SMTP response: 421 4.3.2 All server ports are busy… Read More »

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 »