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Inbox placement: naughty or nice
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Blog
Inbox placement: naughty or nice
Simon Moss
11-11-2025
Ensure your festive emails reach the inbox. Messy data and traps kill deliverability, not holiday words. Learn best practices for data, warming and authentication.
No, Halloween Won’t Send You to Spam: Email Deliverability Myths Debunked
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Blog
No, Halloween Won’t Send You to Spam: Email Deliverability Myths Debunked
Andy Gilhooley
17-10-2025
Worried “Halloween” or 🎃 in your subject line will tank deliverability? Don’t be. Learn what actually matters for inbox placement this season.
Google Update: What’s changed in Gmail and Postmaster Tools?
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Blog
Google Update: What’s changed in Gmail and Postmaster Tools?
Richard Wall
08-10-2025
Google refines email deliverability with smarter Gmail sorting and Postmaster Tools v2 insights for better sender performance.
Outlook’s new DMARC requirements
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Blog
Outlook’s new DMARC requirements
Richard Wall
24-04-2025
Microsoft is changing the sender requirements for bulk senders and will soon require compliance with SPF, DKIM, DMARC.
Troubleshooting Your Deliverability Issues – Ensuring Your Emails Reach the Inbox
Listen to the podcast
Podcast
Troubleshooting Your Deliverability Issues – Ensuring Your Emails Reach the Inbox
The most beautifully designed and written email won’t achieve much if it doesn’t reach your prospective customer’s inbox. Unpack the “dark art” that is deliverability.
Understanding the new Microsoft Exchange Online rate limits in 2025
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Blog
Understanding the new Microsoft Exchange Online rate limits in 2025
Tom Blijleven
10-12-2024
Learn about the new Exchange Online rate limits effective January 2025 and their impact on high-volume email senders
Display your logo in the inbox with Apple Branded Mail; how does it work?
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Blog
Display your logo in the inbox with Apple Branded Mail; how does it work?
Richard Wall, Tom Blijleven
20-11-2024
On 16 October 2024, Apple announced a new feature that displays company logos in the inbox. What is it and how can you get it?
Under the skin of the Yahoo/Gmail update: what you need to do and how to do it
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Blog
Under the skin of the Yahoo/Gmail update: what you need to do and how to do it
Spotler editorial team
31-01-2024
Spotler Group's Head of Deliverability, Daniel Thorpe, shares the key details you need to know about Google and Yahoo's new DMARC requirements.
Is my email domain blocklisted? (How to check and what to do)
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Blog
Is my email domain blocklisted? (How to check and what to do)
Jeroen Stolwijk
18-01-2024
Are your emails bouncing or being ignored? Learn how to check if your domain is on an email blocklist, what that means, and how to fix and prevent it.
More attention falls on DMARC with Gmail & Yahoo updates
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Blog
More attention falls on DMARC with Gmail & Yahoo updates
Hendrik Westerhuis
06-12-2023
In 2024, Gmail's strict rules will come into effect. This makes it even more important that you have your authentication in order and that you follow the rules.
How Zusss increased ROI using dynamic transactional email
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Case study
How Zusss increased ROI using dynamic transactional email
See how Zusss turned transactional emails into a powerful marketing tool with Spotler SendPro, offering dynamic content and personalised product recommendations.
The real effect of dedicated IPs
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Blog
The real effect of dedicated IPs
Nick van Dijk
02-02-2023
What exactly is a 'dedicated IP'? And does using dedicated IPs really help your email deliverability? We explain.