Why email verification matters for your business

Email verification might seem like an extra step, but it’s one of the most important things you can do to protect your email marketing efforts.

The problem with unverified emails

When you collect email addresses without verification, you’re likely to accumulate:

• Typos and mistakes — “gmial.com” instead of “gmail.com”
• Fake addresses — Users entering random text to access gated content
• Disposable emails — Temporary addresses that expire quickly
• Spam traps — Old addresses that ISPs use to catch spammers

How bad emails hurt your business

1. Damaged sender reputation

Every time you send to an invalid email, it bounces. High bounce rates signal to email providers that you’re not a trustworthy sender, which can land your emails in spam folders.

2. Wasted resources

You’re paying to store and send emails to addresses that will never convert. That’s money down the drain.

3. Inaccurate metrics

Fake signups skew your analytics. You might think a campaign is performing well when most of your “subscribers” aren’t real people.

How verification works

Email verification typically involves:

1. Syntax check — Is the email format valid?
2. Domain check — Does the domain exist and accept emails?
3. Mailbox check — Is there an active mailbox for this address?

Some services also check for disposable email providers and known spam traps.

When to verify

The best time to verify is at the moment of signup. This prevents bad data from ever entering your system.

With Launchcamp, email verification is built right in. Enable it with one click, and we’ll automatically verify every signup before adding them to your list.

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Try Launchcamp free and start collecting verified leads today.