I’m unhappy with my current email verifier rejecting too many good addresses

That’s frustrating — overly aggressive email verification can cost you real contacts.

A good way to fix this is to figure out which checks are too strict and compare your verifier’s behavior against the failures you’re seeing. Common causes of false rejections include:

• Disposable / role-based email filtering being too broad
• MX lookup failures or temporary DNS issues treated as permanent
• SMTP “catch-all” handling that assumes unknown means invalid
• Greylisting / throttling from recipient servers
• Strict typo detection rejecting uncommon but valid domains
• Unicode / plus-addressing support issues
• Hard-fail logic when the server returns temporary errors

What usually helps:

1. Separate “invalid” from “risky” instead of only yes/no.
2. Treat temporary or ambiguous results as “unknown” or “accept with warning.”
3. Use domain-level validation conservatively:
   • valid MX records
   • reasonable SMTP response handling
   • avoid over-relying on mailbox existence checks
4. Keep a log of false rejects and review:
   • domain
   • SMTP response code
   • DNS result
   • rule that triggered rejection

If you want, I can help you debug your verifier’s rules, or help you design a less aggressive validation policy. If you have sample rejected addresses and the reasons they were rejected, I can point out which checks are likely too harsh.