How to Check Bounce Email: 7 New Ways You Should Know

Published: 06 Aug 2021 Updated: 02 Oct 2021 Category: Email Marketing

Email marketing is the most reliable way if you want to expand your company. Growing an email list and delivering messages daily saves time and hard work. The delivery of an email is essential. Your first task is completed if you make it to the receiver inbox. The issue occurs when emails are bounced. So, every email marketer faces the problem and it's a big problem nowadays. If you want to be an email marketer or have already started the profession, you should know how to check bounce email.

 

9.42% of total emails bounced in May 2021. According to Constant Contact's study, the average email bounce rate is 0.7 %. Anything higher than 0.7% is a substantial issue.

 

What Is an Email Bounce?

 

What Is an Email Bounce?

When your emails don't make it to the recipient's inbox, it's known as email bounce back. In this situation, your email service provider will send you email bounce back messages describing the issue and providing technical information.

 

Bounced emails harm your email account by exposing it to SPAM filters. Your deliverability rate and email sender score will both be affected as a result of this. As a result, understanding different types of email bounces and how to avoid them is critical for an email marketer.

 

Let's take a look at the many sorts of email bounces and the causes for them.

 

Email Bounces Come In Three Types:

 

In general, there are three kinds of email bounces: 

1. Hard Bounce

A hard bounce usually occurs when the mail address is no longer valid or when the domain is no longer active. When the user's email address is incorrect or does not exist resulting in a hard bounce. You will also get a hard bounce if the email is unknown to the email providers.  (e.g., @gmail.con instead of @gmail.com).

 

2. Soft Bounce

A soft bouncer is another type of bounce where the user's email address cannot receive your emails immediately. It occurs when the user's inbox is complete, or the user gets many emails at a single time. Yet, these issues are temporary and will be resolved over time.

 

3. General Bounce

A General Bounce occurs when the user doesn’t get the mail due to technical limitations on the server. Your emails may be restricted in some circumstances due to the user's firewall settings. This sort of email bounce is harmless and has no impact on your email account or reputation as a sender.

 

Why Are My Emails Bouncing Back?

 

It can be a significant loss to create an email marketing campaign and get a revert message. Let's look at the top 7 reasons why your emails don't make it to the inbox of your intended recipient. In this part, you will know what happens when an email bounces.

 

01. Invalid email address: If the email address is invalid or expired, your email server will be unable to retrieve it. These circumstances push your service provider to send the emails back to you.

You're more likely to encounter difficulties if you utilize unverified emails, buy an email list, or use an outdated email list. It can also occur if you sign in to an inaccurate email address that contains typos or is in an invalid email format.

 

02. Blocked user's IP address: When email service providers assume spamming, they may block a large number of IP addresses. Your emails will not be able to pass through the sender's user's filters in this case, leading to an email bounce back.

Many users share a single IP address with free mail servers like Gmail, Yahoo, Zoho, Outlook, and AOL. When a shared IP address user sends spam emails, it impacts other email users who use the shared IP addresses. As such, if you're running a campaign, stay away from free emails.

 

03. Blocked email by server reception: If a server suspects malicious activity, it’s possible that it'll ban a particular email account or domain. Whenever the recipient wants to send the users an email, their email is bounced back.

 As a result, Your sender credibility and email delivery performance will suffer.

 

04. Server reception is overloaded: If the receiving server is overfilled, your email can't reach the user. The server can't receive incoming requests in this case, and a bounce back message will be sent to you.

It is a soft bounce, which is usually a short term problem that resolves itself over time.

 

05. The user's inbox is full: Every mail server has a set amount of storage space. If indeed, the receiver has not cleaned out his inbox, your emails may be bounced. It is a rare occurrence that occurs when an email address is active but does not have enough space to accept new emails.

It is a soft bounce once more, and it's only a short-term problem. Read 7 Email Archiving Best Practices and get better email marketing management idea.

 

06. Low user’s credibility score : One of the most critical factors affecting email deliverability and the back bounce rate is the sender's reputation score. Your emails will be routed to SPAM filters or bounce back if you have a low sender score. Overall, this lowers your recipient reputation score and raises the bounce rate of your emails.

 

07. The receiver has auto-response added: When a receiver is unavailable to respond to an email, he needs to set an auto-response to all incoming messages. The recipient will provide you with an informative answer. Also, it is seen as a rebound of email. Still, it doesn't influence the delivery of emails or the reputation of the sender.

 

We think that you have realized why emails are bouncing back. It's time to first find out how to stop them.

 

How To Check Email Bounce Back?

 

Every day billions of emails get bounced. It implies that almost billions of emails are never delivered, wasting time and effort spent writing them.

 

In this part, you'll learn about how to stop bounce emails

 

01. Use a double opt-in system: One of the most successful techniques to develop a helpful email list is to use double opt-in. After a user joins your mailing list, compel them to confirm their account. It gives you confidence in the legitimacy of their email address. This straightforward procedure will significantly lower your email bounce rate.

 

02. Keep a fresh list: Keep updating your mail address record regularly. Email addresses typically expire over time, increasing the likelihood of email bounces. Before sending any email campaign, utilize an email verification tool to double-check your email list.

 

Keeping your mailing list clean maintains it healthy. When you send an email campaign using these lists, you'll get better deliverability and fewer bounces.

 

03. Double-check for typos: Using the double-opt-in process described above is the best way to avoid typographical errors. Even so, if you're manually compiling a list, these kinds of mistakes are common.

 

You must be highly cautious while entering your email address before launching your email campaign. We've seen a lot of emails bounce because people type @yahooo.com instead of @yahoo.com.

 

Suppose you want to avoid simple typographical errors like this. In that case, it is strongly advised that you double-check your email address regularly.

04. Authenticate your email account: Authentication is a procedure that helps you retain your sender reputation and, as a result, lower your email bounce rate. To enhance your email deliverability, you can use one of three authentication processes.


  • SPF

  • DKIM

  • DMARC

 

The above techniques assist the sender's server in verifying the email's authenticity. Whenever the sender's server receives these records in your email, it gives your message a clean bill of health and lowers your email bounce rate.

 

05. Maintain a close check on your sender's reputation: The recipient's reputation score is a normalized value assigned to domains to monitor their email activity. Email bounces, emails going to spam folders, and account blocking are all symptoms of a poor sender reputation. 

 

It's also critical to monitor your sender reputation score in addition to following best practices for sending email campaigns. Several free tools available, such as Sender Score, require you to evaluate your score.

 

06. Send emails consistently: You should maintain contact with your email subscribers at all times. While there is a constant trickle of texts among the two accounts, the receiver server has confidence in the email conversation's quality. Your account is less likely to have email bounces since the receiving server is aware of the email stimulation.

 

07. Free sender domains should be avoided: You cannot authenticate your email account if you use a free email sender domain for example, @gmail.com, @outlook.com, etc. While operating an email campaign makes your account more susceptible to spam filters, which causes your emails to bounce.

 

Use an authorized company domain for the most outstanding email marketing outcomes.

 

Validate Multiple Email Addresses with Email Validator Tool

 

The technique of validating your email address is known as email validation. This tool also confirms that the email account is genuine and usable. You can check multiple email addresses with this. It runs a fast process that checks and catches typos if they're honest blunders or deliberate misdirections. These tools also confirm whether this email exists with a solid domain like Gmail or Yahoo. 

 

Email validator helps you organize and disinfect your email address list. It also protects your email sender score, bounce rate and increases your email service effectiveness. It might be a web based service or a software program. The latter is more common these days because it does not need your IP address (you can run the operation on several servers). It is simple to support and upgrade.

 

Any online email format validator efficiency is determined by inbound algorithms that require multiple steps in the email verification process. Syntax, domain, catch-all, MX record scans and email address ping are among the most general. Email verifier lets you keep track of any updates to your addresses and Keep an up-to-date email list. 

 

How Does Email Validation Work?

 

What is a validate email? To check the email, you have to run an email validator. Email verification method depends on various kinds of specialized algorithms. These algorithms are based on the internal database and with this email validation tool, you will know how to check if an email will bounce and the bounce rate of the email also.

 

Invalid emails will be filtered out after the complete email verification. You will get a new email list with a low email bounce rate. A new deliverable email list will be ready for email marketing and business needs. 

 

We’ve described how the email address checker works in detail below. 


  1. Syntax Check: According to IETF guidelines, this approach avoids incorrectly formatted email addresses.

  2. Domain/MX Records Check: This method verifies the validity of an email address and its DNS entries. It checks the domain of email if correct or MX record is absent.

  3. Role Based Account Detection: If you are sending emails to roles like [email protected], [email protected], [email protected], [email protected]  Others will hurt your deliverability and even get you blacklisted by some ISPs. These addresses are identified and flagged by this procedure.  

  4. Disposable Email Address (DEA) Detection: Disposable email addresses are also known as "junk collector" email addresses. They are identified and well processed. These emails are used for signup forms or get around the need for a legitimate email address in login forms.

  5. Final Verification: Each email address is subjected to deep-level extended SMTP verifications during this process. Without submitting an actual email to the inbox, the emails would be ping for mailbox life. 

  6. Spam Trap Detection: This detection technique examines all of the email addresses in the spammer's list of email addresses or domains. Verifying the addresses from the list detects spam seeds, BOTs, honeypots, blocked or invalid email addresses.

 

Final Words

 

If you're new to email marketing, you'll have to embrace the harsh reality that achieving a 0% bounce rate is nearly impossible. You need to know lots of facts such as email marketing challenges for better ROI.

 

Email marketing takes a lot of time, effort, and money from marketers. Consistent email bounces may compromise the campaign's success. Following the strategies and preventative techniques outlined above will always provide you with the most significant outcomes in lowering your email bounce rate.

 

We hope you have learned enough about how to check bounce email and what happens when an email bounce. As a consequence, you'll be able to send high quality marketing email campaigns that won't let your list bounce.

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