Optional captchaCheckEmailBlacklistOptions
Optional domainDomain to expand into A and MX host IPv4 addresses
CheckEmailBlacklistOptions
Optional ipSpecific IPv4 address to check directly
CheckEmailBlacklistOptions
Optional mxSpecific MX host to resolve and check directly
CheckEmailBlacklistOptions
Check a domain, IP address, or specific MX host against configured DNS blacklists
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Interface
CheckEmailBlacklistOptions