The Postmastery Blog: Insights, Tools & Best Practices for Email Deliverability
Case study – Why typo domains can cause severe email delivery issues
2018/02/26 by Willem Stam.
In our daily email delivery monitoring activities, we recently saw the damage that typo domains can do. In this case study, simple typos in domains caused severe email delivery issues. We will recap what happened and how we solved the issue. Hopefully, other senders can avoid this kind of situation in the future. Postmastery, we […]
Categories: Authentication, Case Studies, Deliverability, General, PowerMTA
Happy client: SuccessByEmail.com
2017/11/24 by Willem Stam.
“I would like to thank the PowerMTA email delivery experts at Postmastery. Postmastery was incredibly responsive to our specific delivery needs and wasted no time in taking a scientific approach to identify specific issues and formulate a path to resolution. From precise data collection and analysis to resolution recommendations and follow up, Postmastery does a […]
Categories: Authentication, Case Studies, General
Port25 2017 European Summit
2017/09/05 by Willem Stam.
Port25 and Postmastery are pleased to invite you to the Port25 2017 European Summit Don’t miss out on this yearly Port25 summit event for people in the world of high volume email delivery. Hear expert speakers from Port25, Postmastery and other companies cover the most topical issues and get all your questions regarding delivery, control, […]
Categories: General
Choosing the right DMARC policy
2017/07/13 by Willem Stam.
Publishing DMARC records is more popular than ever. Even among those that don’t have domains related to sensitive fields, such as financial institutions, that are vulnerable to abuse. Have you thought about the policy that underpins your objectives for DMARC? Do you even have clear objectives for DMARC? DMARC policies DMARC requires three policies: none, […]
Categories: Authentication, DMARC, General
Five new delivery controls in PowerMTA 4.5
2017/05/26 by Maarten Oelering.
PowerMTA (PMTA 4.5) always had a strong focus on ‘doing one thing, and doing it right’. That one thing is email delivery. This sounds like a simple task, but it is hard to do at scale, both in terms of volume as well as in terms of the differences in the behaviour of receiving systems. […]
Categories: Authentication, General, PowerMTA
Postmastery and DeliverNow Announce Merger
2017/05/09 by Willem Stam.
Amsterdam, The Netherlands and Paris, France – 09 May 2017 – Postmastery BV (“Postmastery”) and DeliverNow Inc. (“DeliverNow”), leading providers of email deliverability services and solutions, today announced the merger of the two companies. European Market Leader in deliverability Since 2007, DeliverNow and Postmastery have offered some of the most innovative and successful email deliverability […]
Categories: General
Turnkey email solution based on Interspire and PowerMTA
2016/07/22 by Willem Stam.
If you are considering an ‘on-premise’ email marketing solution, there are many options to choose from. One option is to choose a software vendor that provides the necessary components. The advantage of doing this is that the campaign front-end, MTA and bounce/complaint management, is included in an integrated solution. But these solutions are very expensive, […]