Insights
The SMSgateway.lk blog
Practical guides on SMS marketing, deliverability and messaging in Sri Lanka.
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Bulk SMS marketing in Sri Lanka: a practical playbook for 2026
SMS still gets read within minutes, far ahead of email. Here's how Sri Lankan businesses plan lists, timing, message length and sender IDs for campaigns that actually convert.
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Transactional vs promotional SMS: the difference and why it matters
OTPs, order updates and alerts are not the same as offers and greetings. Operators route and price them differently. Picking the right type keeps you deliverable and compliant.
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How to get your branded sender ID approved in Sri Lanka
The name on the phone screen is your first impression. Here's how sender-ID (mask) registration works with every Sri Lankan mobile operator, and how to avoid rejections.
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