They can lower your delivery rates and also give ISPs an indication that your emails may contain malicious content.
This means ISPs will start rejecting your emails. This can also damage your domain and sender score.
In short, you should never take hard bounces lightly, and you should address them as soon as you notice them.
Enough with the horror stories, let’s see how to avoid them.
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How to avoid a hard bounce?
If you ever receive a hard bounce or spam alert, stop your campaign to those addresses and investigate further.
Otherwise, the most effective way to prevent hard bounces is to ensure your email list is healthy and up-to-date.
This means checking for errors or invalid emails, removing them from your list, and ensuring all addresses are correct.
But how do you do that? Easy.
Use an email verification tool
Using this tool, you can validate your leads’ emails. There are many on the market, and most work with SPF , DKIM, or DMARC email protocols:
- MailerCheck: Uses a combination of tests and align your sales process with your marketing process algorithms to validate large databases .
- ZeroBounce: Used by TripAdvisor, AllState, and Comodo, it uses multiple verification processes and has a wide range of integrations.
- NeverBounce: One of the best email verification services out there, Neverbounce offers a powerful API that can process millions of emails in minutes. It also features DKIM, DMARC, email address syntax checking, instant bounce analysis, and bulk email verification.
These are just three of the many options available that can help you validate addresses and reduce hard bounce.
Take care of your score and reputation
Another great way to avoid hard bounces is to take care of your sender score and reputation.
It can damage your reputation if you’re not careful. ISPs may start rejecting your emails if they think you’re sending malicious content or spam.
Be sure to create your own custom email domain clean email hard bounce and comply with the CAN-SPAM Act .
This is a law that requires marketers to obtain recipients’ permission before sending promotional emails.
Also, be sure to use authentication and encryption protocols when sending emails. This helps ISPs recognize that your email is coming from a trusted, non-malicious source.
Finally, keep in mind that ISP blocking can cause hard bounces, so it’s important to keep a close eye on your personalized email with your own domain .
If you experience any blocking, please contact your ISP to resolve it quickly.