PowerMTA Configuration, Optimization & Troubleshooting

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 […]

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Categories: Case Studies, Deliverability, General, PowerMTA

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?

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Categories: General, PowerMTA

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 […]

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Categories: Authentication, Deliverability, General, PowerMTA

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 […]

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Categories: Authentication, General, PowerMTA

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 […]

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Categories: Authentication, Deliverability, General, Postfix, PowerMTA, Providers

Webinar PMTA insights

The Future of PowerMTA with Postmastery & Port25. Watch our joint PMTA webinar. On Tuesday 6 November, Postmastery and Port25 held a joint PMTA webinar. The PMTA webinar was a great success. Three panellists took part in an open conversation about the future of PowerMTA and the next steps. They answered questions from the PowerMTA […]

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Categories: General, PowerMTA

Meet your deliverability peers at the Port25 summit, 20 September 2018, Amsterdam

This year too, Postmastery is the Premier Platinum Sponsor of the Port25 Summit. As co-organiser Postmastery’s complete team will be there to meet you. The Port25 Summit will be a highly interactive event. It brings together industry representatives, email deliverability experts, technology vendors, and senior email professionals to explore and discuss the trends that will […]

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Categories: General, PowerMTA

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