![]() Checking DNSBLs and URI DNSBLs for blacklisting: A DNS-based blackhole list (DNSBL) or Real-time Blackhole List (RBL) is a list of IP addresses often used for spamming. ![]() Honeypot/ Spam Trap Detection: This detects spam seeds, BOTs, honeypots, blacklisted, or bogus email addresses by checking the addresses in the list against the known list of emails/domains, used for trapping spammers.These are temporarily created emails and used for signup forms or bypass login forms requiring a valid email address. Disposable Email Address (DEA) Detection: Throwaway/disposable emails, or “junk collector” emails, are detected and processed appropriately.This process detects and flags such addresses. Role-Based Account Detection: Email sends to role-based accounts such as, ,, , etc., can negatively impact your deliverability and even put you in denylist with some ISPs.If a domain is found to be invalid, or an MX entry is missing, this process marks the corresponding email address as invalid. Domain/MX Records Check: This verifies the DNS entries of an email address.Email Address Syntax Check: This removes improperly formatted email addresses, according to IETF standards.The legitimacy of an email address can be measured through a combination of validation techniques and – depending on the internal database – proprietary algorithms.Īt the end of the email validation process, any invalid addresses will be filtered out, leaving a clean, fully deliverable email list ready for marketing and business requirements. How Does Email Address Verification Work? Your browser does not support HTML5 video.
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