All about ISP: SFR and SMTP error codes SFR_IN_XXX

Postmastery helps senders with monitoring tools (Postmastery Console) and consulting. In order to help the sender community, we are glad to share our experiences collected over the years with some ISPs. This page is about the French ISP : SFR (sfr.fr, neuf.fr, club-internet.fr, cegetel.net, numericable.fr, etc…). SFR: a historical ISP regrouping severals SFR is a […]

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Categories: Authentication, Deliverability, General

Making the Choice: On-Prem or ESPs?

In June of this year, we were in Prague as one of the proud sponsors of the Deliverability Summit. We also took part in a great panel discussion Expert Advice from Alice Cornell, Steve Tuck of Halon, Matthew Grove of Mailchimp and our own Maarten Oelering. The discussion focussed on owning your email infrastructure. https://vimeo.com/845510055/4570b89de8? […]

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Categories: Authentication, Deliverability, General

Introducing The Postmastery Global Email Deliverability Benchmark Report: A Game-Changer For The Email Industry

We at Postmastery are excited to announce that we are in the process of creating our first-ever Global Deliverability Benchmark Report. By establishing such a report, we aim to assist our clients in Performance Benchmarking and Optimisation as well as Strategy Development. As the creators of this benchmark report, we plan to aggregate data from […]

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Categories: Authentication, General, PowerMTA

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