General Insights on Email Infrastructure and Deliverability
Email Service Provider versus In-house
2011/11/06 by Maarten Oelering.
A common question among professional senders is: should I use an Email Service Provider (ESP) or can I send my emails in-house? To find a good answer can be difficult. There are a lot of ESPs and a lot of software vendors ready to help you, but where to get objective advise from? My customers […]
Categories: Authentication, General, Providers, Solutions
Orange protects its Messaging Infrastructure with Cloudmark Antispam Solution
2011/01/14 by Jérôme Gays.
Since November 15th, Orange has implemented Cloudmark Antispam Solution in order to protect its messaging infrastructure. As quoted on Cloudmark site, Sylvain Causse of France Telecom/ Orange points out: « We selected Cloudmark Antispam Solution considering their expertise and experience in the message security industry, and the high performance and flexibility level of the solutions […]
Categories: Authentication, General
On the classification of bounces
2010/07/07 by Maarten Oelering.
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
Postmastery launches the world’s first specialised Email Systems Integrator
2010/01/10 by Willem Stam.
Willem Stam and Maarten Oelering of Postmastery are launching Postmastery as the world’s first specialised Email Systems Integrator for email businesses. Postmastery’s Email Systems Integrator helps senders by creating the optimal conditions for email marketing and transactional email. It does this by optimising existing infrastructure and by providing new cost effective solutions using best-of-breed components. […]
Categories: General
Why I chose a commercial grade MTA
2010/01/01 by Maarten Oelering.
For sending emails, there is a wealth of solutions. On the open source side, there is Sendmail, Qmail, Exim and Postfix. Then there are a number of commercial MTAs available, at different price levels. The most well known vendors are Message Systems, Port25 and StrongMail. Postfix is a popular open source MTA thanks to it’s […]
Categories: Authentication, General, Postfix, PowerMTA
More companies want a self-hosted email tool
2010/01/01 by Willem Stam.
Increasingly more companies are considering having their own email infrastructure to handle bulk emails. GSMWEB.NL, the largest independent mobile competitor in the Netherlands, now operates entirely with an ‘on premises’ email solution as well. At present, 70% of companies that do marketing or send process related emails use an ESP. In some of these cases, […]
Categories: General
Check your emails with emailaudit.com
2010/01/01 by Maarten Oelering.
We recently launched a service to check your emails against standards, guidelines, and best practices. This service is called EmailAudit and is available on emailaudit.com. It checks DNS, SPF, headers, DKIM, DMARC, and more. The results are not a simple pass or fail, but contain detailed information on compliance and suggestions for fixing. EmailAudit was […]