Q&A ▸ eMail Verifier is only able to test Gmail addresses

[Maxprog Knowledge Base]

eMail Verifier actually requires full access to port 25 in order to work. I believe your Internet Provider is blocking the access to that port.

I recommend you to read the following blog post: Why eMail Verifier loves port 25 so much. It explains what port 25 blocking is and how to find out if that problems affects you.

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