Q&A ▸ Bad Gmail addresses marked as valid

  • Thread starter Maxprog Knowledge Base
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Maxprog Knowledge Base

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Just a small explanation first. eMail Verifier verifies every address from a given mailing list, using the same algorithm as any mail systems do, allowing you to determine up to 70-80% of "dead" e-mail addresses. For some addresses, such as AOL, Yahoo, and other non-SMTP mail like Gmail, you can't verify whether the address is good or not. You won't know definitively until some bounce. The mail server won't cooperate and as a result, addresses will be marked as valid.

In fact, a few ISP's mail servers are configured in a way they prevent anybody to find out if an e-mail address is good or not sometimes to protect their customer e-mail addresses from harvester tools. Note that bounces can be easily processed with eMail Bounce Handler, a tool that can scan your mailbox, locally or remotely, and create a clean list of bad e-mail addresses. Using both eMail Verifier and eMail Bounce Handler is explained here.

eMail Verifier already offers a list of non-cooperating servers in the preferences, 'Rules' panel. You can add more servers to the list. That will speed up the verifying process since no connection will be made to those servers:

eMail Verifier Rules Editor


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