Tutorials
Network Outage Notification Emails: A Practical Guide for ISPs
Learn how to write network outage notification emails that keep customers informed from the first alert through investigation, restoration and follow-up.
NexaMail Insights
Practical guidance for better customer email
South African perspectives on customer updates, automation, delivery, audience management and responsible high-volume sending.
Latest insight
DeliverabilityGmail and Yahoo Email Sender Requirements in 2026: A South African Business Guide
Sending business email to Gmail or Yahoo accounts? Learn the authentication, unsubscribe and spam-rate requirements, plus practical checks to make before your next campaign.
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Explore the latest articles
Clear, useful ideas your team can apply to everyday customer communication.
Email Marketing
Bulk Email in South Africa: How to Send at Scale Responsibly
A practical guide to planning bulk email in South Africa, from audience permissions and monthly volume to deliverability, reporting and platform selection.
Email Marketing
Transactional Email vs Marketing Email: What South African Businesses Should Know
Understand the practical difference between transactional and marketing email, how to classify mixed-purpose messages, and how to manage both responsibly.
Deliverability
Why Your Business Emails Go to Spam: A South African Guide to Email Deliverability
Understand why business emails go to spam and how authentication, sender reputation, list hygiene, bounce handling and monitoring improve email deliverability.
Tutorials
How VoIP Providers Can Reduce Support Calls With Proactive Customer Communication
Learn how VoIP providers can use proactive customer communication to reduce repetitive support requests, explain service incidents clearly and build customer trust.
POPIA Compliance
How to Stay POPIA Compliant When Emailing Subscribers
A practical guide to permission, consent records, unsubscribe handling and responsible email operations under South Africa’s POPIA framework.