

Mailguard
Email verification API with a free tier, up to 100x cheaper
什么是 Mailguard?
MailGuard is an email verification API for developers. One call checks syntax, MX records, disposable and role addresses, suggests typo fixes, and returns a 0-100 deliverability score. Free tier (500/mo, no card), and up to 100x cheaper than the incumbents.
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