Insights & practical guides

Once a message exceeds two SMS segments, MMS becomes the cheaper option — each MMS carries up to 230KB and can embed an image to lift engagement.

UFOSend SMS API integration examples covering curl, Python, Node.js and PHP, plus the full flow for OTP, notifications and two-way replies.

SMS has been on the market for years and businesses still depend on it as the most direct and immediate way to reach customers, because no other form of communication matches its immediacy.

How to grow a newsletter list lawfully and effectively: where to put sign-up forms, what incentive to offer, double opt-in and welcome emails, and how to handle inactive subscribers so the list grows larger and healthier.

Email is dead! It is the single biggest misconception in digital marketing strategy today.

Do you know what it costs to acquire a new customer? Expensive and difficult, certainly — but here is the fact: acquiring a new customer costs ten times what it costs to retain an existing one.

The subject line decides whether your email gets opened. How to design sender name, subject line and preview text together, six principles, five common mistakes, examples by email type, and how to A/B test now that open rates are unreliable.

Where to start with newsletter copy: settle the audience, the benefit and the action (ABC), then shape the content with AIDA or the 4Ps. Plus how to keep people reading, how to write call-to-action buttons, and the elements every marketing email needs.

Your email readers have completely different interests and needs. Segment them and send relevant, valuable, targeted information to each group, and open and click rates will certainly be higher.

A month-by-month guide to the holidays and shopping seasons in Hong Kong and Taiwan and the newsletter angle that suits each, plus a five-step planning method, three ways to write holiday emails, what B2B senders should do, and how to avoid over-sending in peak season.

How to design newsletters that look good and read well: layout structure, using images, colour and dark mode, how rendering differs across phones and mail apps, and a checklist to run through before you press send.

Peak online shopping days in the United States from Thanksgiving through Christmas — and how retail uses email marketing to capture the opportunity.

Three questions every founder must answer, and what CRM really means — email marketing returns as much as 1:40 and remains the best channel for sustaining customer relationships.

Have you ever registered for a service online, been told an SMS would arrive to complete the process, waited and waited, and never received anything — so the registration never completed?

Using international SMS to communicate with customers around the world — the five things to check when choosing a provider, and why direct routes matter.