For business subscribers, email address verification plays a vital role as a KYC verification activity.
Free email domains
- Email addresses from domains that provide free email services are not permitted as valid business use by Toku. These range from the typical gmail, yahoo and hotmail but also many many others.
- The well known CRM platform HubSpot provide a very extensive up-to-date list of such domains that should not be used by subscribers upon registration.
Domain Blacklists
- An additional valuable check is to validate whether the domain of the business has previously been reported for misuse. This can be conducted by checking against any available mail exchanger record (MX record) blacklist registry.
- A well known portal that conducts this across many blacklists is MXTools and provides instant free results to searches.
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