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How to Ensure Your Email List Contains Only Valid Addresses

Royal Imanli
Royal Imanli09.30.2025
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How to Ensure Your Email List Contains Only Valid Addresses
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Frequently Asked Questions

Find answers to common questions about email verification.

Why is it important to keep only valid addresses in my email list?
Valid addresses improve deliverability, reduce bounce rates, and protect your domain reputation. Sending to invalid contacts wastes money and can push future emails into spam.
What’s the easiest way to check if an email is valid?
The simplest way is to use an email verification tool like VitaMail, which checks domains, mail servers, and inbox activity to confirm if an address is safe, invalid, or unknown.
Can I fix invalid emails, or should I always remove them?
Obvious typos (like “john@gamil.com”) can be corrected, but permanently invalid or fake addresses should be removed to protect your sender reputation.
How often should I validate my email list?
For active senders, quarterly validation is recommended. However, the best approach is to validate new emails in real time at sign-up to keep your database clean from the start.
What happens if I keep invalid emails in my list?
Continuing to send to invalid addresses increases your bounce rate, lowers engagement, and harms your domain reputation. Over time, even valid emails may start going to spam folders.

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