eMail Verifier is timing out

[Maxprog Knowledge Base]

I believe your internet provider is blocking port 25. eMail Verifier requires full access to port 25 in order to work, SMTP alternative ports will not work in that situation because eMail Verifier is not an email client, it doesn't connect to your SMTP server but to other's mail servers and this type of connection is done exclusively thru the port 25.

You will find more information here: Why eMail Verifier loves port 25 so much

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