How to Send Bulk Emails Without Hitting Spam (A Step-by-Step Guide)
Let’s be honest: If your emails are landing in spam, your campaign is dead before it even starts.
Every marketer knows the frustration—low open rates, high bounce rates, and the dreaded “spam complaint” notifications. It doesn’t just hurt your email deliverability; it damages your sender reputation, making it even harder to reach inboxes in the future.
But what if you could send bulk emails confidently, knowing they’ll actually get read?
With the right tools and setup, you can ensure your emails land in inboxes—not the spam folder.
?? Why Do Bulk Emails Fail? (The Hard Truth Marketers Ignore)
?? Spam Filters Are Smarter Than Ever
– Gmail, Outlook, and Yahoo are cracking down harder on bulk senders. If your emails aren’t set up correctly, they’ll never be seen.
?? High Bounce Rates Kill Your Reputation
– Did you know just a 5% bounce rate can start hurting your sender score? That means if 50 out of 1,000 emails bounce, your domain could be flagged.
?? Spam Complaints = Blacklisting
– If too many people mark your emails as spam (even unintentionally), you risk getting blacklisted—a nightmare for any marketer.
?? Solution?
You need a system that helps you send bulk emails the right way while automatically handling bounces and spam complaints.
Here’s exactly how to do it:
?? The Perfect Tech Stack for Bulk Email Success
We’ll be using four powerful tools:
? Postmark – A high-deliverability email API for transactional and marketing emails.
? GoHighLevel (GHL) – A CRM to design campaigns and manage contacts.
? NeverBounce – Email validation to clean your list and reduce bounces.
? Make.com – Automation to handle spam complaints and bounce emails automatically.
?? Step 1: Craft a Winning Email Campaign
?? First, create and design your email campaign in GoHighLevel (or your preferred CRM).
?? Tips for Better Deliverability:
? Use a clean, mobile-friendly template – Avoid overusing images and links.
? Personalize your emails – Emails with personalization see a 26% higher open rate ??
? Segment your leads – Don’t send the same email to everyone; target based on behavior.
? Warm up your sending domain – If you’re using a new domain, start with small batches.
?? Pro Tip: Want even more control? Use Postmark’s HTML templates for precise design (this requires some coding knowledge).
?? Step 2: Set Up Postmark for Maximum Deliverability
?? Postmark is one of the most reliable email providers, with a 98% deliverability rate—but only if set up correctly!
Here’s how:
? 2.1 – Create and Verify Your Account
?? Sign up at Postmark
?? Choose your plan & verify your email.
? 2.2 – Add and Verify Your Sending Domain
?? Go to Sender Signatures → Add Domain or Signature
?? Add your domain (e.g., yourcompany.com)
?? Set up domain authentication (DKIM, SPF, Return-Path) to improve trust & avoid spam folders.
?? Pro Tip: Domain authentication can increase deliverability by up to 50%—it tells email providers, "Hey, this sender is legit!"
? 2.3 – Set Up Your Postmark Server
?? Use the right email stream for your campaign type:
?? Transactional Stream – For financial emails, order confirmations, etc.
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?? Broadcast Stream – For newsletters, bulk campaigns, promotions.
?? Warning: Using the wrong stream can impact your sender score, so choose wisely! Read their documentation before setup (if you are not sure).
?? Step 3: Integrate Postmark with GoHighLevel
Now, let’s connect Postmark to GHL so you can send emails through your CRM.
? 3.1 – Add Postmark as Your SMTP Provider in GHL
?? Go to Settings → Email Services → Add New Provider
?? Select SMTP and enter Postmark’s SMTP credentials
?? Choose your Postmark server & stream type
?? Why This Matters: Using Postmark’s SMTP instead of generic email providers (like Gmail SMTP) ensures better deliverability & avoids rate limits.
?? Step 4: Automate Spam Complaint & Bounce Handling with Make .com
Handling bounces & spam complaints manually?
That’s a waste of time!
?? Every time an email bounces or gets marked as spam, Postmark can send a webhook to Make .com, which will automatically:
? 4.1 – Create an Automation Scenario in Make.com
?? Trigger: Webhook receives data from Postmark
?? Action: Update GHL contact → Set DND to "Yes"
?? (Optional) Action: Tag the contact as "Bounced" or "Spam Complaint" for later cleanup
?? Now, every bounced/spam email is handled automatically—without lifting a finger!
? 4.2 – Set Up a Webhook in Postmark.
?? Copy the webhook URL from Make.com
?? Go to Postmark → Server → Select your server → Select your stream → Webhooks
?? Add a new webhook for bounce & spam complaint events
?? The Results? More Emails Delivered, Less Spam Complaints, Higher ROI
? Fewer emails hitting spam – With proper domain authentication & SMTP setup.
? Lower bounce rate – Thanks to email validation & automated handling.
? Better engagement & higher open rates – Because of personalization & segmentation.
? No manual cleanup – Make.com removes bad emails instantly.
?? Stat: Marketers using proper email automation see a 35% higher engagement rate and reduce spam complaints by 50%.
?? Ready to Fix Your Email Deliverability?
Take control of your email campaigns with automation. Follow this guide, set up your system, and start seeing better results today.
?? Resources:
?? Postmark API Docs: https://postmarkapp.com/developer
?? GoHighLevel SMTP Setup: Setting up SMTP providers
?? Make.com Link: https://www.make.com/
?? Need help setting this up? Let’s talk! Comment below or DM me.
#EmailMarketing #Deliverability #BulkEmails #Postmark #GoHighLevel #MarketingAutomation #InboxSuccess ??