2020/11/24 by Willem Stam.
PowerMTA & Managed Deliverability
Client case: MailPoet MailPoet was founded in 2011 in France with a simple mission: allow thousands of WordPress website owners to create and send emails from the comfort of their WordPress admin. MailPoet built a simple, intuitive, and rock solid solution to deliver their users’ emails on time, every time. Below you can read more […]
Categories: Case Studies, Deliverability, General, PowerMTA
2020/05/15 by Olivier Moulene.
PowerMTA Configuration with Version Control | Complete Guide
Postmastery strongly encourages the use of a version control system for PowerMTA configurations. In this blog post, we will define version control, explain why PowerMTA configuration version control is important, and give you some guidelines on how to implement this on your own PowerMTA site. Version control: what, who, when and why?
2020/02/14 by Maarten Oelering.
PowerMTA 5.0: Using a proxy for email delivery
One new thing we are particularly excited about is PowerMTA 5.0 support for forward proxies: this allows delivery from IPs which don’t need to be co-located on the same server or subnet. In this blog post, we will explain this with a few use cases and introduce Postmastery’s MTA proxy for a ready-to-go solution. Use […]
Categories: Authentication, Deliverability, General, PowerMTA
2019/12/04 by Maarten Oelering.
Google Postmaster Tools (GPT) unlocked via Postmastery Delivery Analytics
Postmastery took an important step in their objective to monitor all relevant email delivery metrics in one application: adding Google Postmaster Tools data. What is Google Postmaster Tools (GPT) For senders that monitor their reputation, Google Postmaster Tools (GPT) is an important resource. For those who haven’t yet heard about it, GPT is a website […]
Categories: Authentication, Deliverability, General
2019/10/07 by Jérôme Gays.
SFR Deliverability: Explaining error codes (GU_EIB) and the ongoing error threshold
Before getting to the actual matter, it is important to brush upon a few relevant chronological events in the past regarding SFR. Even though SFR has been carrying this name since 1987, the many other departments in this group have changed quite a lot ever since. During the past 10 years, SFR has made the […]
Categories: Deliverability, General, Providers
2019/09/30 by Maarten Oelering.
PowerMTA 5.0 released
On 17 September, PowerMTA 5.0r1 was released. This is the first general availability (GA) release. Before this release PowerMTA 5.0 was tested in a long beta programme. Various new PowerMTA features Probably the biggest change since 4.5 is the completely new web monitor. The web interface is now a modern ‘single page application’ (SPA). The […]
Categories: Authentication, General, PowerMTA
2019/09/04 by Jérôme Gays.
Check your (Power)MTA settings: Numericable and Noos MXs records moved to SFR
In 2014, French ISPs Numericable and SFR merged to become the Altice France group. Numericable was itself the result of a merger between NC Numericable and Noos in 2007. Up to now, mailboxes at these ISPs were managed independently using different MXs and anti-spam protection. Noos and Numericable domains on one end and SFR domains […]
Categories: Authentication, Deliverability, General, Postfix, PowerMTA, Providers