2012/03/23 by Jérôme Gays.
SFR incoming email authentication
With the growing strength of phishing campaigns, incoming message authentication has become an important issue for ISPs to protect their users. Various standards exist to authentify outgoing email messages. Since September 2011, SFR has decided to verify the authenticity of incoming emails according to SPF standard and might be thinking of an upcoming implementation of […]
Categories: Deliverability, General
2010/07/07 by Maarten Oelering.
On the classification of bounces
Delivering large volumes of email can be difficult. Properly handing the bounces can be even more challenging. To decode, analyze and classify the hundredths of different bounce mail formats is a complex task. To give you an idea what you might encounter, here are some examples of bounces: 421 4.7.1 Intrusion prevention active for [X.X.X.X] […]
Categories: Authentication, Deliverability, General