General Insights on Email Infrastructure and Deliverability
Gmail introduces emails with lock
2016/04/06 by Willem Stam.
From now on computer users can see if their emails that go through Gmail are safe by Gmail lock. If so, the email has a special marking. For the time being, this service is only available in the United States. So there is lots of work to do for the companies that send huge amounts […]
Gmail’s wide deployment of TLS
2016/02/22 by Jérôme Gays.
When talking about authentication and encryption technologies —such are SPF, DKIM, DMARC—, Gmail has always been at the cutting edge of the topic. After having implemented Google Postmaster (read our related article), it is therefore possible to monitor the percentage of Google’s outgoing and incoming emails TLS encrypted or not. Announced by Google last week, […]
Categories: Authentication, General, PowerMTA
DMARC: Four Years of Enhancing Email Security - A Look Back and Forward
2015/11/02 by Jérôme Gays.
It has been almost 4 years since the DMARC procedures were first launched, as well as our first publication of an article regarding this topic. As a reminder, DMARC is a Spoofing-fighting validation system. It relies on technologies such as SPF and DKIM, empowering email senders to provide receivers servers with the procedures of what […]
Gmail: Feedback Loop and postmaster page, step-by-step configuration and set up
2015/09/05 by Jérôme Gays.
Google’s Gmail webmail has long been at the forefront of innovation. Where the Californian giant has especially distinguished itself from its competitors are in the quality of its spam processing and its successive ergonomic innovations such as tags, categorization of emails with tabs, unsubscribe button in the interface (list-unsubscribe) and so on. On the other […]
Case study Xsarus: reliable email is crucial
2015/08/05 by Willem Stam.
Xsarus is a supplier of web applications and e-commerce applications, both of which need a well-oiled, reliable email system. Xsarus has found the solution by obtaining a PowerMTA based, bulk email sending system, says Xsarus partner Bram Hoekman. “We used to work with Postfix, a popular mail server. One of Postfix’s advantages is that it […]
Categories: Case Studies, General
Deliverability Alert: Orange implements Spam-report based Dynamic Filtering
2015/05/05 by Jérôme Gays.
As SFR did a few weeks ago, it seems that Orange follows the same path towards implementing an email dynamic filtering based on the volume of the generated complaints. This Deliverability Alert is indeed managed by VadeRetro. The anti Spam solution deployed by the main ISP’s and French Webmails, including Orange, SFR, Free and laposte.net. […]
Categories: Deliverability, General
Deliverability update: SFR on his way to a stringent filtering process
2015/04/01 by Jérôme Gays.
Through the last few days we have noticed — via our customer’s deliverability monitoring infrastructure — SFR’s enhancement of its filtering policies. For instance, we notice a bigger number of the ‘550.5.7.1 Message Content rejected’ messages after running the DATA command during SMPT dialogs. As far we can see, this enhancement is based on the […]
Categories: General