You’ve set up your Omnisend account, imported your contact list, and launched your first automated workflow. But your open rates are dismal, unsubscribes are spiking, and sales from email are nowhere near what you expected. Sound familiar?
Most brands hit these roadblocks not because Omnisend is ineffective, but because they’re making avoidable Omnisend mistakes during setup and execution. Below, we break down the 7 most common errors brands make, plus step-by-step fixes to get your email marketing back on track.
Mistake 1: Skipping Audience Segmentation
Why It Hurts Your Results
Sending the same generic newsletter to your entire contact list is one of the costliest Omnisend mistakes you can make. Subscribers who get irrelevant content are 3x more likely to unsubscribe, and your engagement metrics will tank as a result.
How to Fix It
Omnisend’s built-in segmentation tools let you group contacts based on dozens of data points, no coding required. Start with these high-impact segments:
- Signup source (e.g., popup, checkout page, social media ad)
- Purchase history (e.g., first-time buyers, repeat customers, lapsed purchasers)
- Engagement level (e.g., opened last 3 emails, hasn’t opened in 6 months)
- Demographic data (e.g., location, birthday, preferred product category)
Tailor your content to each segment to boost open rates and conversions immediately.
Mistake 2: Overlooking Welcome Email Automation
Why It Hurts Your Results
Welcome emails have 4x higher open rates than standard newsletters, but many brands forget to set up this automation in Omnisend. New subscribers who don’t hear from you within 24 hours are 50% less likely to make a first purchase.
How to Fix It
Set up a 3-email welcome series in Omnisend’s automation builder (use a pre-built template to save time):
- Email 1 (sent immediately): Confirm their subscription, share your brand story, and include a 10% off first purchase discount.
- Email 2 (sent 2 days later): Highlight your best-selling products and link to customer reviews.
- Email 3 (sent 5 days later): Share user-generated content and remind them to use their discount before it expires.
Mistake 3: Ignoring Deliverability Best Practices
Why It Hurts Your Results
If your emails land in spam folders, even the best content won’t drive results. Common Omnisend setup mistakes that hurt deliverability include buying email lists, not verifying your sender domain, and using spammy subject lines with all caps or excessive exclamation points.
How to Fix It
Follow these deliverability rules to improve your sender reputation:
- Verify your domain in Omnisend’s settings (this takes 10 minutes and drastically reduces spam placement).
- Clean your contact list quarterly to remove inactive subscribers.
- Use double opt-in to ensure all contacts want to hear from you.
- Avoid spam trigger words like “free”, “guaranteed”, or “act now” in subject lines.
For more detailed guidance, refer to Omnisend’s official deliverability guide (external authority reference).
Mistake 4: Not Testing Emails Before Sending
Why It Hurts Your Results
Nothing hurts trust like a broken discount link, a typo in your subject line, or an email that displays incorrectly on mobile. Skipping tests is a common error that makes your brand look unprofessional and wastes your marketing budget.
How to Fix It
Always run through this pre-send checklist in Omnisend:
- Use the preview tool to check desktop and mobile formatting.
- Send test emails to 3+ team members to catch errors.
- Verify all merge tags (e.g., first name) display correctly.
- Click every link to ensure they direct to the right page.
Mistake 5: Underutilizing Omnisend’s Automation Workflows
Why It Hurts Your Results
Many brands only use Omnisend for manual newsletters, missing out on the platform’s powerful pre-built workflows. Cart abandonment emails alone can recover 10-15% of lost sales, but only if they’re set up correctly.
How to Fix It
Activate these high-ROI workflows in Omnisend’s automation library:
- Cart abandonment: 3-email series sent 1 hour, 24 hours, and 72 hours after a cart is left.
- Browse abandonment: Targets users who viewed a product but didn’t add it to cart.
- Post-purchase: Asks for reviews, recommends complementary products, and incentivizes repeat purchases.
- Win-back: Targets subscribers who haven’t engaged in 3+ months with a special offer.
Mistake 6: Failing to Track Key Metrics
Why It Hurts Your Results
You can’t improve what you don’t measure. Brands that don’t check their Omnisend analytics dashboard weekly miss opportunities to optimize campaigns and fix underperforming workflows.
How to Fix It
Track these core metrics every week in Omnisend:
- Open rate (industry average: 15-25%)
- Click-through rate (industry average: 2-5%)
- Revenue per email sent
- Unsubscribe rate (keep below 0.5% per campaign)
Use A/B testing for subject lines and CTAs to continuously improve results. For more optimization tips, check out our guide to Omnisend automation best practices (internal link idea 1).
Mistake 7: Ignoring SMS and Push Notification Integration
Why It Hurts Your Results
Omnisend is a multi-channel platform, but many brands only use email. SMS has a 98% open rate, and push notifications drive 3x higher click-through rates than email for flash sales and limited-time offers.
How to Fix It
Add these supplemental channels to your existing workflows:
- Send an SMS reminder 1 hour after a cart is abandoned (keep it short, include a direct link to their cart).
- Use push notifications for flash sales, restocks, and exclusive subscriber perks.
- Sync all channels in Omnisend to ensure consistent messaging across touchpoints.
FAQ: Common Omnisend Mistakes
- How long does it take to fix common Omnisend mistakes?
- Most fixes (like setting up segmentation or welcome emails) take 1-2 hours. More complex workflow adjustments may take a day or two, but you’ll see results within a week of implementing changes.
- Can I fix these mistakes if I’m new to Omnisend?
- Absolutely. Omnisend has a drag-and-drop builder and pre-built templates for all workflows mentioned above, so no coding experience is required.
- Will fixing these mistakes increase my email marketing ROI?
- Yes. Brands that segment their audience see 760% higher revenue from email campaigns, and optimized welcome series can boost conversion rates by 50% or more.
- Should I hire an expert to fix my Omnisend setup?
- For small fixes, you can handle them in-house using Omnisend’s help center. For complex eCommerce stores with 10k+ contacts, a certified Omnisend partner can save you time and maximize results.
Conclusion
Avoiding these common Omnisend mistakes can transform your email marketing from a cost center to a revenue driver. Start by auditing your current setup this week, prioritize the fixes that will have the biggest impact on your ROI, and don’t be afraid to experiment with new workflows.
Ready to take your Omnisend strategy to the next level? Book a free 15-minute audit of your current setup today to identify hidden errors and unlock more sales from your email list.
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