Low open rates in GoHighLevel are rarely a content problem. Most of the time it comes down to technical setup, list quality, or how and when you're sending. If your GoHighLevel email open rates aren't where they should be, this guide covers the fixes that actually move the needle.

Start With Your DNS Authentication Records

Before anything else, check your SPF, DKIM, and DMARC records. These three DNS settings tell email providers that your domain is legitimate and your emails are safe to deliver. If any of them are missing or misconfigured, your emails will land in spam regardless of how good your subject lines are.

Inside GHL, go to Settings → Email Services and verify your sending domain is fully authenticated — not just pending. A green status on all three records is the baseline. Without this, nothing else in this guide will make a meaningful difference.

Warm Up Your Domain Properly

If your sending domain is new, you can't just start blasting thousands of emails from day one. Internet service providers flag high-volume sending from new domains as suspicious, and your open rates will tank before your campaigns even get going.

Start small. Send to your most engaged contacts first, gradually increase volume over a few weeks, and let your sender reputation build naturally. GHL routes email through Mailgun by default, which has solid deliverability infrastructure — but even Mailgun can't save a domain that hasn't been warmed up.

Clean Your List Before Every Campaign

Sending to a dirty list is one of the fastest ways to destroy your GHL email deliverability. Invalid addresses, spam traps, and contacts who haven't opened anything in months all drag down your sender reputation with every campaign you send.

A few rules to follow consistently: suppress hard bounces within 24 hours, remove contacts who haven't opened in three to four consecutive campaigns, and use double opt-in for new subscribers to keep bad addresses off your list from the start. GHL has automatic bounce suppression — just make sure it's enabled in your account settings.

Segment Your List and Send to Engaged Contacts

Sending the same email to your entire list every time is a reliable way to keep open rates flat. The contacts who opened your last five emails are far more likely to open the next one. The contacts who haven't opened anything in six months are actively hurting your deliverability.

Use GHL's tagging and smart list features to segment by engagement level. Build a separate re-engagement campaign for cold contacts instead of including them in your main broadcasts. Sending to a smaller, more engaged list consistently outperforms blasting a large cold one.

Write Subject Lines That Don't Overpromise

Subject lines have one job: get the email opened. The mistake most people make is writing subject lines that are either too vague or too salesy. Both get ignored.

Good subject lines are specific and honest. They tell the reader exactly what's inside without trying to trick them into clicking. Deceptive subject lines might spike open rates once, but they generate complaints that damage your deliverability long term.

Keep subject lines under 50 characters where possible. Test at least two variations per campaign using GHL's A/B testing feature and let the data tell you what works for your audience.

Send at the Right Time for Your Audience

Timing matters more than most people give it credit for. An email that arrives at 3am or in the middle of a busy Tuesday afternoon is easy to miss or ignore.

As a starting point, Tuesday through Thursday mornings tend to perform well for B2B audiences. But the best send time is specific to your list. Use GHL's campaign analytics to track open rates by day and time, then adjust your schedule based on when your audience is actually engaging.

Use Personalisation Beyond Just the First Name

Emails that feel generic get treated as generic. GHL's custom values and custom fields let you go well beyond "Hi [First Name]" — you can reference a contact's industry, the last service they enquired about, or the specific team member assigned to their account.

The more relevant an email feels to the individual receiving it, the more likely they are to open it. This applies to subject lines too — a subject line that references something specific to the contact will almost always outperform a generic one.

Monitor Your Deliverability Health Regularly

GHL includes a Deliverability Health monitor that flags issues before they become serious problems. If your bounce rate creeps above 2%, the platform alerts you so you can act before your sender reputation takes a hit.

Check this regularly, not just when open rates drop. Catching a deliverability issue early is far easier than recovering from a damaged sender reputation after the fact.

FAQ

Why are my GoHighLevel emails going to spam? The most common causes are missing or misconfigured SPF, DKIM, or DMARC records, sending from a new domain that hasn't been warmed up, or a poor list with too many invalid addresses and unengaged contacts.

What is a good email open rate in GoHighLevel? It depends on your industry, but 25–35% is a healthy benchmark for engaged lists. If you're consistently below 20%, the issue is usually deliverability or list quality rather than content.

Does list size affect open rates in GHL? Yes. A smaller, well-segmented list of engaged contacts will almost always outperform a large, unfiltered one. Focus on list quality over list size.

How often should I clean my GHL email list? Remove chronic non-openers every quarter at minimum. Suppress hard bounces within 24 hours. Run a re-engagement campaign for anyone who hasn't opened in six months before removing them entirely.

Improving GoHighLevel email open rates takes more than tweaking subject lines — it requires the right technical setup, clean data, and a sending strategy built around your audience.

Bolder Digital is a certified GHL agency helping Australian businesses get more out of their GoHighLevel account. If your email performance isn't where it needs to be, the Bolder Digital team can audit your setup and fix what's holding you back. Get in touch today.