I do not want to upload my list to third party server so which are the providers giving software which we can install in our local system and verify emails.
2 Answers
I strongly not recommend using a downloadable software as they will use your local IP address, and that will be quickly blocked. In some cases it can even cause problem with your internet service provider. I recommend you try HuBuCo, it is a very reasonably priced online verifier.
Answer
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