Blog
Maintaining deliverability to Microsoft contacts
February 26th, 2026 - Harry Thomas
Affected contact addresses: outlook, Hotmail and live.com Since 2025 and increasingly into 2026, Microsoft has fundamentally strengthened how it...
Deliverability Public Sector News Best practice
Does Apple think your newsletter is a promotion? Apple Mail iOS 18 changes
February 21st, 2025 - Harry Thomas
In the recent Apple Event, new details came to light about what to expect in iOS 18. In this blog we will cover some of the key changes and how...
email-marketing Deliverability
Allowlisting: How it works and why you should encourage it
February 28th, 2022 - Sadie Burgess
With the sending of marketing emails on mass being a regular occurrence, and in many cases unsolicited (based on Legitimate Interest in B2B), many...
Deliverability email-marketing
Blocklisting - What it means and what to do about it
January 31st, 2020 - Dan Hare
A blocklist (previously known as blacklist - see https://www.ncsc.gov.uk/blog-post/terminology-its-not-black-and-white) from an email marketing...
Deliverability email-marketing
Rise of the machines - A definitive guide to bots
June 6th, 2019 - Dan Hare
We are under threat from robots and artificially intelligent programs designed to stop us. Yes, like some dystopian sci-fi thriller, the world of...
When reputation is everything...
July 11th, 2018 - Sadie Burgess
An email sender reputation is a score than an Internet Service Provider (ISP) assigns to an organization that sends email. It’s a crucial component...
Deliverability 101
January 23rd, 2018 - Sadie Burgess
Deliverability, also known as inbox placement, is a step before the usual open and click-through metrics that we marketing professionals determine...
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