Definition
Multichannel email marketing is the practice of integrating email campaigns with other marketing channels to reach subscribers across multiple touchpoints. While email remains the central channel, multichannel strategies also incorporate social media, SMS, push notifications, paid advertising, direct mail, and in-app messaging.
The distinction between multichannel and omnichannel is important: multichannel uses multiple channels independently, while omnichannel integrates them into a seamless, connected experience where channels work together and recognise the subscriber's journey across all touchpoints.
Channels to Integrate with Email
| Channel | Integration Opportunity | Best Use Case |
|---|---|---|
| Social Media | Cross-promote email signup, share email content on social | Audience growth, content amplification |
| SMS | Coordinate timing, use email for detail, SMS for urgency | Abandoned cart, order updates, flash sales |
| Push Notifications | Reinforce email messaging with mobile alerts | Re-engagement, time-sensitive offers |
| Paid Advertising | Retarget email non-openers with display ads | Conversion recovery, brand reinforcement |
| Direct Mail | Use email for nurture, direct mail for high-impact moments | High-value customer acquisition, events |
| In-App Messages | Trigger in-app based on email engagement | App onboarding, feature announcements |
Building a Multichannel Strategy
- Map customer touchpoints: Identify every channel your customers use throughout their journey
- Define channel roles: Determine what each channel does best and assign responsibilities accordingly
- Plan cross-channel journeys: Design customer flows that move seamlessly between channels
- Align messaging: Ensure consistent brand voice, offer details, and timing across all channels
- Implement tracking: Use unified tracking to attribute conversions across channels
- Test and optimise: A/B test channel combinations and sequences to find the optimal mix
Benefits
- Higher overall reach: Different segments prefer different channels — multichannel reaches more of your audience
- Improved engagement: Subscribers who receive communications through multiple channels tend to engage at higher rates
- Better attribution: Understanding how channels work together reveals true campaign effectiveness
- Increased revenue: Coordinated multichannel campaigns consistently outperform single-channel approaches
- Stronger customer relationships: Being present across channels builds familiarity and trust
Common Mistakes
- Sending the same message everywhere: Each channel should play to its strengths, not duplicate content
- No cross-channel tracking: Without unified tracking, you cannot measure true multichannel performance
- Inconsistent branding: Different brand voices or visuals across channels confuse subscribers
- Over-messaging: Using multiple channels without coordination leads to subscriber fatigue and churn
Related Glossary Terms
A/B Testing
A/B testing in email marketing is the practice of sending two variations of an email to a small sample of your list to determine which version performs better before sending the winner to the remaining subscribers.
Abandoned Cart Email
An abandoned cart email is an automated message sent to customers who added items to their online shopping cart but left without completing the purchase. It is one of the highest-converting email types in ecommerce.
AIDA Model for Email
The AIDA model (Attention, Interest, Desire, Action) is a classic copywriting framework used to structure email campaigns that guide subscribers from awareness to conversion.
AMP for Email
AMP for Email is a Google-developed framework that allows email messages to include interactive elements like forms, carousels, accordions, and live content. It turns static emails into dynamic, interactive experiences directly inside the inbox.
Anchoring Effect in Email Marketing
The anchoring effect is a cognitive bias where the first piece of information presented (the anchor) influences subsequent decisions, used in email to frame pricing and value perception.
Announcement Email
An announcement email is a dedicated campaign that communicates a specific update, milestone, or change to subscribers, from product launches and feature releases to company news and events.
Frequently Asked Questions
Multichannel marketing uses several channels independently — email, social, SMS — each as a separate silo. Omnichannel marketing integrates those channels so the subscriber experience is seamless and connected — for example, receiving an abandoned cart email, then a reminder SMS, then a retargeting ad, all referencing the same cart.
Start with 2-3 channels where your audience is most active. Email plus one other channel (typically social or SMS) is a solid foundation. Add channels as you demonstrate success and can maintain quality across each one.
Yes, because additional channels have their own costs — SMS per-message fees, paid advertising spend, direct mail production. However, the incremental revenue from multichannel campaigns typically exceeds the additional channel costs when executed well.