Exploring Mailgun as Your Free Bulk Email Sender in 2026

In 2026, more people want good bulk email solutions. The bulk email services market is expected to grow. This is because more businesses are using digital marketing and automation. New technology and the need for personal messages help this trend.

Mailgun is a top freeware bulk email sender. It offers important tools to meet strict rules from big email providers. These tools include Mailgun Send, Optimize, Validate, and Inspect. They help improve delivery and keep email marketing campaigns high-quality. With Mailgun, you can handle the challenges of bulk emailing and reach your goals.

Key Takeaways

• Mailgun has a free plan. You can send up to 5,000 emails each month. This is great for small businesses and new companies.

• It has a 98% average email delivery rate. The bounce rate is low at 0.42%. Mailgun helps your emails reach the right people well.

• Use Mailgun's automation tools. They save time and improve your email marketing with personalized messages.

• Follow good practices. Set up DNS records and use email authentication. This helps your emails get delivered and keeps your sender reputation strong.

• Check important numbers like open rates and bounce rates often. This helps you improve your email plans and get more responses.

Mailgun Overview

Key Features of Mailgun

Mailgun is a top free bulk email sender. It has many features that make sending emails easier. With Mailgun, you can manage your email campaigns well. It also helps you get high delivery rates. Here are some key features that make Mailgun a great choice for businesses:

Mailgun's bulk email sending abilities are impressive. You can send up to 15 million messages, reaching many people. The platform promises a 99% attempted delivery rate, which is much better than other free options. For example, Mailgun can send over 400 billion emails each year, while many other services cannot keep up.

Recent updates have made Mailgun even better for sending bulk emails. For instance, the update on October 30, 2025, added Zapier Integration Updates, which help automate email tasks. Also, better bounce classification gives more details about email delivery problems, helping you improve your methods.

Mailgun also focuses on following email rules. You need to set up your SPF, DKIM, and DMARC records correctly. This helps keep your sender reputation good and makes sure your emails go to the inbox, not the spam folder.

To grow your email campaigns, Mailgun offers shared and dedicated IP addresses. Shared IPs are good for low to medium volume senders, while dedicated IPs work best for high-volume senders. This choice lets you pick what fits your business needs best.

Pricing of Mailgun

Freeware Bulk Email Sender Benefits

Mailgun has a free plan. You can send up to 5,000 emails each month. This plan is great for small businesses or startups. It helps them manage email marketing without spending money. Here are some important details about Mailgun's free plan:

• The free trial lasts for 30 days.

• You can send 5,000 emails per month during the trial.

• New accounts can only send 9 emails at once.

• There is a limit of 100 emails sent each hour.

• Users need to build a sending history to lift these limits.

These features make Mailgun a good choice for beginners in email marketing. But, you should know about the limits of the free plan.

Using a free bulk email sender like Mailgun has many benefits for small businesses. Here’s a quick look:

When you compare Mailgun's pricing to Mails.ai, you will see that Mails.ai has a free plan. It offers unlimited email accounts and unlimited email warmup. This flexibility helps you grow your outreach efforts without worrying about limits on your email volume.

Setting Up Mailgun for Bulk Email Sending

Best Practices for Email Delivery

Setting up Mailgun for bulk emails is easy. Just follow these steps to begin:

1. Set up DNS records: Change your domain's DNS settings to add the records for Mailgun. This step is very important for good delivery rates.

2. Access Ghost Admin: Log into your Ghost Admin panel and go to the email newsletter settings.

3. Integrate Mailgun: In the email settings, choose Mailgun as your email service. Enter your Mailgun API key and domain info to link your account.

By doing these steps, you can set up Mailgun for your email marketing.

To improve your email delivery, think about these best practices:

• Use Mailgun Optimize: This tool helps make your campaigns better. It gives tools and tips to help your important messages reach inboxes.

• Include a text-only version of HTML emails. This helps avoid spam filters and makes sure all readers can see your emails.

• Design good templates. A nice template makes your emails look better and stay consistent on all devices.

• Match domains in the from field, return path, and message ID. This helps stop your emails from being marked as spam.

• Authenticate your emails with SPF, DKIM, and DMARC. These methods help your emails get delivered and build trust with email providers.

• Feature unsubscribe links clearly. This keeps your credibility and lowers spam reports.

• Monitor key email metrics like bounce rates, open rates, and click-through rates. Checking these numbers helps you improve future campaigns.

Also, managing big contact lists well is very important. Here are some tips:

• Implement verification at signup to make sure only real email addresses join your list.

• Use double opt-in to confirm user agreement before finishing their subscription.

• Grow your email list naturally. Don’t buy lists to keep a good sender reputation.

• Regularly clean your email list by removing bad addresses and focusing on users who don’t engage.

By following these steps and best practices, you can boost your email marketing and ensure your bulk emails through Mailgun land in inboxes.

User Experiences with Mailgun

Many users have talked about their experiences with Mailgun. They mention both good things and areas that need work. Here’s a summary of what users say:

Users like Mailgun for its reliable email delivery and easy interface. But some have problems, especially with Outlook. Many emails show as delivered in Mailgun logs but do not reach Outlook accounts. Users often check spam and junk folders but still can’t find their emails.

Common problems include:

• Emails go to Gmail and Yahoo but not to Outlook.

• Confusion from Mailgun logs showing successful delivery.

• Hard bounces from bad or fake addresses.

• Soft bounces from full inboxes or temporary server issues.

• Spam filters marking emails as spam or sending them to junk folders.

When looking at user satisfaction ratings, Mailgun is a top choice according to the Transactional Email Grid Report on G2. Sadly, there is no user satisfaction rating for Mails.ai, so we can't compare them directly.

In summary, while Mailgun has strong features and reliable service, users should know about possible delivery problems, especially with some email providers. Knowing these experiences can help you make better choices for your bulk email campaigns.

Comparing Mailgun with Alternatives

When you think about bulk email services, it’s important to compare Mailgun with other choices. Mailgun has a strong delivery rate of 97.4%. This is much better than the industry average of 85%. This makes Mailgun a good option for bulk email services in 2026.

Here’s how Mailgun stacks up against some popular alternatives:

Pros and Cons of Alternatives

• Sidemail:

  • Pros: All-in-one platform, fast delivery, great support.

  • Cons: N/A

• Amazon SES:

  • Pros: Cheapest option, strong setup.

  • Cons: Do-it-yourself style, no support included.

• SendGrid:

  • Pros: Advanced features, wide range of tools.

  • Cons: Delivery issues, bad support experience.

• Postmark:

  • Pros: Good support, reliable delivery.

  • Cons: Limited email marketing options.

• Mailchimp:

  • Pros: Advanced email marketing features.

  • Cons: Most expensive, uncertain quality for transactional emails.

Pricing models are also very important in your choice. Mailgun's pricing works well for people who send emails less often. It is cost-effective for those sending fewer than three emails each month. On the other hand, BigMailer has subscription pricing that helps high-volume senders. Mailgun's Flex plan costs $0.8 for every 1,000 emails sent, while BigMailer’s pricing depends on how many contacts you have.

Mailgun has many benefits for sending bulk emails. It has a great 97.4% average delivery rate and a low bounce rate of 0.42%. This means your emails get to the right people. A high delivery rate is very important for successful marketing. But if you want an even better option, check out Mails.ai.

Mails.ai is special because of its features, like:

• High inbox deliverability: Mails.ai makes sure your emails go to inboxes, which helps get more responses.

• Free email verification: This tool keeps your email list clean, making your campaigns work better.

• Unlimited email accounts: You can link as many accounts as you want, so you can reach more people without paying extra.

By using Mails.ai, you can improve your email marketing and get better results.

FAQ

What is Mailgun?

Mailgun is a strong email service provider. It helps you send, receive, and track emails easily. You can use Mailgun for bulk email campaigns. It makes sure your emails get delivered well.

How do I set up Mailgun?

To set up Mailgun, first create an account on their website. Next, change your DNS settings and connect Mailgun with your email platform. Follow the setup guide from Mailgun for clear steps.

Can I use Mailgun for free?

Yes, Mailgun has a free plan. You can send up to 5,000 emails each month. This plan is great for small businesses or startups that want to manage email marketing without spending money.

What are the benefits of using Mailgun?

Using Mailgun has many benefits. You get high email delivery rates, real-time analytics, and email validation tools. These features help make your email campaigns better and ensure they reach your audience.

How does Mailgun compare to other email services?

Mailgun is special because of its high delivery rates and strong features. When compared to other services, Mailgun gives better analytics and email validation. This makes it a great choice for sending bulk emails.