Email, SMS, WhatsApp & Social: How Multichannel Campaigns Work in Zoho Marketing Automation

Not every lead lives in their inbox. Some respond to a text, some to a WhatsApp message, some only ever engage on social. Zoho Marketing Automation’s pitch is that you shouldn’t need four separate tools to reach all of them — email, SMS, WhatsApp, and social all live inside the same platform, and can be woven into the same journey (covered in Part 3). This post breaks down how each channel actually works.

Email marketing

Email is still the backbone of most journeys, and ZMA’s email tooling covers the fundamentals: a template library for newsletters, offers, product updates, event invites, and onboarding sequences, plus a drag-and-drop editor for building your own. It’s worth setting expectations here — user reviews consistently note that the email editor is functional but has fewer design options than dedicated email specialists like Mailchimp offer, so if pixel-perfect custom design is a priority, you may end up leaning on HTML templates built outside the tool and imported in.

A/B testing (Professional plan and above) lets you test subject lines, content, or send times against a portion of your list before rolling out the winning version to everyone else — one of the more commonly cited “actually useful” features in user reviews, particularly for improving open rates over time.

Deliverability gets consistent praise in reviews — users running email sequences over multiple years report few delivery issues, which matters more than any single feature when you’re relying on email as a core channel.

SMS marketing

ZMA includes its own SMS gateway, which is a meaningful difference from platforms that route SMS through a third-party add-on (like SMS Magic). That means fewer moving parts and, generally, fewer point-of-failure integrations to maintain. SMS campaigns get the same real-time performance visibility as email — delivery, open, and click metrics — and SMS credits are purchased as an add-on on top of your plan.

SMS tends to work best for short, time-sensitive messages: appointment reminders, flash offers, delivery updates, or abandoned-cart nudges where a text is more likely to be seen quickly than an email sitting in an inbox.

WhatsApp marketing

WhatsApp is included across all tiers in a basic form, with WhatsApp Marketing Automation and Utility Conversations unlocking at the Professional tier. In practice, this means you can send bulk WhatsApp campaigns using approved message templates, personalize them per segment, and hold genuine 1:1 conversations with contacts who reply — which is a real differentiator if a meaningful share of your audience is in a region where WhatsApp is a primary communication channel rather than a secondary one.

Because WhatsApp Business messaging is governed by Meta’s own template-approval and messaging-window rules, it’s worth building your first WhatsApp campaigns conservatively and testing template approval times before committing a whole journey to the channel.

Social media

Social scheduling in ZMA is built for coordinating your organic social presence alongside your other campaigns — planning posts, scheduling them, and tracking basic engagement — with scheduling capabilities expanding at the Professional tier. It’s worth noting this is scheduling and light engagement tracking, not a full social listening or advanced analytics suite; if deep social analytics is a priority, you’ll likely still want a dedicated social tool alongside it, Zoho Social is a great option.

Bringing channels together: the real value proposition

The individual channels are each reasonably competent on their own, but the actual differentiator is combining them inside a single journey. A realistic multichannel sequence might look like:

  1. Send a welcome email immediately after signup.
  2. If unopened after 2 days, send a follow-up SMS with a shorter, more direct message.
  3. If a cart is abandoned, trigger a WhatsApp message (in regions where that’s the dominant channel) alongside the standard recovery email.
  4. Layer social retargeting or organic follow-up around the same campaign window for brand reinforcement.

This is where lead scoring and segmentation (from Part 2) matter again — the channel a contact responds to is itself useful data. A contact who only ever engages via SMS is telling you something about how to reach them going forward, and a well-built journey can route future messages accordingly.

Practical guidance for choosing channels per audience

Don’t assume every audience wants every channel. B2B audiences in most Western markets generally still respond best to email, with SMS reserved for time-sensitive notifications. WhatsApp-first behavior is much more common in parts of Latin America, South Asia, the Middle East, and Africa — know your audience before building WhatsApp-heavy journeys.

Respect frequency and consent per channel separately. A contact opting into email doesn’t automatically mean they’ve consented to SMS or WhatsApp messaging — compliance requirements (and reasonable etiquette) differ by channel and region, so build your opt-in and preference management with that in mind. ZMA’s compliance check and double opt-in tools (covered briefly in Part 1) help here, but the campaign design still needs to respect channel-specific consent.

Test send times per channel, not just per campaign. Email open patterns and SMS/WhatsApp read patterns don’t always line up — a send time that performs well for email isn’t automatically right for SMS.

Where multichannel campaigns connect to the rest of the platform

The messages themselves are only half the picture. What triggers them — a website visit, a form fill, a score threshold — comes from the journey builder in Part 3 and the website tracking and lead capture tools we cover next in Part 5. And how you measure whether any of this actually worked comes down to the analytics and attribution reporting in Part 7.

Coordinating email, SMS, and WhatsApp into one coherent journey — without annoying your list or tripping over consent requirements — takes some up-front planning. NavigateCRM helps Zoho Marketing Automation users design multichannel sequences that respect each channel’s strengths. Reach out if you want help building yours.