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Create emails for humans and AI: Why accessibility matters more than ever
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Blog
Create emails for humans and AI: Why accessibility matters more than ever
Andy Gilhooley
24-03-2026
Email accessibility helps humans and AI interpret your content. Learn how structured, accessible emails improve clarity and inbox performance.
Doctolib strengthens the reliability of its email delivery with Spotler SendPro
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Case study
Doctolib strengthens the reliability of its email delivery with Spotler SendPro
Doctolib relies on Spotler SendPro to handle large-scale, compliant, and mission-critical transactional communications.
Microsoft is phasing out SMTP AUTH Basic Authentication; what does this mean for you?
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Blog
Microsoft is phasing out SMTP AUTH Basic Authentication; what does this mean for you?
Nick van Dijk
04-03-2026
Microsoft is retiring Basic Authentication for SMTP AUTH in Exchange Online, moving to OAuth only. What does this mean for you?
The complete checklist for a great sender reputation
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Guide
The complete checklist for a great sender reputation
Learn what impacts sender reputation, how it affects inbox placement, and follow a practical checklist to protect your email deliverability long term.
The ultimate guide to inbox placement
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Guide
The ultimate guide to inbox placement
When you’re sending emails to customers, it’s easy to get lost in designs, copy, call-to-actions. But what if that email is never even seen?
Best practices for good order confirmation emails in eCommerce (2026)
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Blog
Best practices for good order confirmation emails in eCommerce (2026)
Tom Blijleven
23-12-2025
When you are handling orders, in B2B or B2C, order confirmation emails play a critical role in the customer journey. Stop sending boring emails!
Christmas Marketing Hub
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Christmas Marketing Hub
Christmas Marketing Hub
The most joyful time of year is now. Time to set up your Christmas campaign. We got you covered with our Christmas toolkit. Everything you need for a beautiful campaign can be found in our hub.
Inbox placement: naughty or nice
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Blog
Inbox placement: naughty or nice
Simon Moss
17-10-2025
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.
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