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Email Validator Experiments Series' Articles

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I Ran 1,000 Email Validations Against HIBP. 47 Were Breached.

I Ran 1,000 Email Validations Against HIBP. 47 Were Breached.

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9 min read
I Ran 50 SMTP 250 OK Checks. 12 Bounced Despite 250 OK.

I Ran 50 SMTP 250 OK Checks. 12 Bounced Despite 250 OK.

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10 min read
I Sent 50 Emails And Got 12 Bounces. SMTP 250 Failed Me.

I Sent 50 Emails And Got 12 Bounces. SMTP 250 Failed Me.

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11 min read
I Sent 50 Emails After 250 OK. 24% Still Bounced.

I Sent 50 Emails After 250 OK. 24% Still Bounced.

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12 min read
SMTP 250 OK Lied. 12 of 50 Verified Emails Bounced Anyway.

SMTP 250 OK Lied. 12 of 50 Verified Emails Bounced Anyway.

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10 min read
12 of 50 emails bounced after SMTP 250 OK. Do you still trust it?

12 of 50 emails bounced after SMTP 250 OK. Do you still trust it?

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9 min read
I Validated 10,000 Emails. The Greylisting Rate Shocked Me.

I Validated 10,000 Emails. The Greylisting Rate Shocked Me.

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9 min read
I ran 5,000 emails through an MX check. 40% were disposable.

I ran 5,000 emails through an MX check. 40% were disposable.

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11 min read
I Verified 5,000 Emails. SMTP Said OK, 24% Still Bounced.

I Verified 5,000 Emails. SMTP Said OK, 24% Still Bounced.

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10 min read
I Trusted SMTP 250 OK And Got A 24% Bounce Rate

I Trusted SMTP 250 OK And Got A 24% Bounce Rate

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10 min read