Email Marketing ToolsUpdated 2026-09-247 min read

How to Increase Email Open Rates: Fix These 3 Things First

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Low email open rates? Fix spam delivery, clean your list, and write better subject lines, with step-by-step checks…
Quick answer: Fix delivery first (send from your own domain with SPF, DKIM and DMARC), then clean your list of inactive and bounced addresses, then write subject lines that say clearly why the email matters. A consistent sender name and tested send times add the rest.↗ Share on X

To increase email open rates, fix three things in this order: make sure your emails reach the inbox (not spam), send only to people who actually want your emails, and write subject lines that tell readers exactly why this email matters to them. Most low open rates are not a writing problem. They are a delivery problem or a list problem. Once those are fixed, better subject lines, a recognizable sender name, and good timing add the rest.

One quick warning before you start: open rates are less accurate than they used to be. Some email apps, like Apple Mail with privacy protection turned on, load images automatically. That can count an email as "opened" even if no person read it. So use open rate as a rough signal and also watch clicks and replies.

Why are my open rates low in the first place?

READ ALSOHow to Increase Email Open Rates in 30 Minutes a Week →Email Marketing Tools That Sync With Your CRM: 8 Tests →How to Segment Your Email List: 6 Splits That Lift Opens →

Before changing anything, find the real cause. Check these in your email marketing software:

1. Delivery rate. How many emails were accepted by inboxes. If many bounce, your list has bad addresses.

2. Spam complaints. Even a small number is a warning sign.

3. List age. Old subscribers who have not opened in months drag your average down.

4. Sending source. Emails sent from a free address like Gmail through a bulk tool often land in spam.

5. Subject lines. Vague or pushy lines get ignored.

Write down your current open rate, click rate, and bounce rate. You need these numbers to know if your changes work.

Smart software picks in your inbox

How do I stop my emails going to spam?

If your emails go to spam, no subject line will save them. Do these steps first:

1. Send from your own domain. Use an address like hello@yourbusiness.com, not a free Gmail or Yahoo address.

2. Set up SPF, DKIM, and DMARC. These are three short text records you add to your domain settings. They prove to Gmail, Outlook, and others that you are allowed to send from that domain. Your email tool gives you the exact records and instructions. Large inbox providers now expect bulk senders to have these in place.

3. Make unsubscribing easy. Put a clear unsubscribe link in every email. People who cannot find it often click "report spam" instead, which hurts you far more.

4. Avoid spammy habits. All caps, many exclamation marks, and misleading subject lines like "Re:" on a first email raise red flags.

5. Send a test to a Gmail and an Outlook address you own and see where it lands.

Should I clean my email list?

READ ALSOWhat Open Rate Is Good for a Small Business Newsletter? →The 4 email automations to set up in your first week →The Lead Magnet Build That Fills an Email List Fast →

Yes. A smaller list of interested people beats a big list of people who ignore you. Inbox providers watch how people react to your emails. If many subscribers never open, providers start sending more of your emails to spam, even for the people who want them.

A simple cleaning routine:

1. Find subscribers who have not opened or clicked in the last several months.

2. Send them one "Do you still want these emails?" message with a clear button to stay.

3. Remove the ones who do not respond.

4. Remove hard bounces (addresses that do not exist) right away. Most tools do this automatically.

5. Never buy email lists. Those people did not ask for your emails and will mark you as spam.

Your open rate will usually rise after cleaning simply because you stopped counting people who were never going to open.

How do I write a subject line that gets opened?

A good subject line answers one question for the reader: "Why should I open this now?" Here are patterns that work well, with examples for a small bakery:

PatternExampleWhy it works
Clear benefit"Your free coffee is ready this Friday"Reader knows what they get
Specific number"3 new breads coming out Saturday"Concrete, easy to scan
Question"Sourdough or rye this weekend?"Invites curiosity and a reply
Deadline (only if real)"Last day for holiday cake orders"Real urgency
Personal and plain"A quick note from Maria at the bakery"Feels like a real person

Tips for writing them:

Does my sender name matter?

A lot. People decide to open based on who the email is from, often before reading the subject.

When is the best time to send?

There is no single best time for everyone. It depends on your audience. A newsletter for office workers may do well on a weekday morning. A hobby newsletter may do better in the evening or on weekends.

Find your own best time with a simple test:

1. Pick two send times, for example Tuesday 9 a.m. and Thursday 7 p.m.

2. Send similar emails at each time for a few weeks.

3. Compare open and click rates.

4. Keep the winner and test it against a new time.

Many email tools also offer "send time optimization," which picks a time for each subscriber based on when they usually open. Try it if your plan includes it.

How often should I send?

Consistency matters more than frequency. If people expect your email every Tuesday, they look for it. If you send randomly, they forget who you are.

Start with a pace you can keep, such as once a week or twice a month. Tell new subscribers what to expect in your welcome email.

Can segmenting my list help?

Yes. Segmenting means splitting your list into groups so each group gets emails that fit them. Relevant emails get opened more.

Easy ways to segment:

1. By interest. Ask on the signup form: "What topics do you want?"

2. By activity. Active readers vs. people who have gone quiet.

3. By purchase. Customers vs. people who never bought.

4. By location. Useful for local events or shipping offers.

Even two segments are better than sending the same email to everyone.

Which email marketing tools make this easier?

Most popular email marketing software for small businesses covers the basics: domain authentication setup, A/B testing of subject lines, automatic bounce removal, and segments. When you compare tools, check:

Pick the one you will actually use every week. A simple tool used well beats a powerful tool you avoid.

Your next step this week

Log in to your email marketing tool and write down three numbers from your last five emails: open rate, click rate, and bounce rate. Then check your domain settings for SPF, DKIM, and DMARC, and fix anything missing using your tool's help guide. For your next email, write two subject lines using patterns from the table above and run an A/B test. Compare the results and keep the winner as your new starting point.

FAQ

Why are my emails going to spam?

Common causes are sending from a free address, missing SPF, DKIM and DMARC records, many inactive subscribers, spam complaints, and misleading subject lines.

Are open rates still accurate?

Less than before. Some email apps load images automatically for privacy, which can count an email as opened even if nobody read it. Watch clicks and replies too.

How often should I send emails?

Pick a pace you can keep, such as weekly or twice a month, and stay consistent. Tell new subscribers what to expect in your welcome email.

Smart software picks in your inbox

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