number leads

Hey everyone, I'm getting back into email marketing and I know things change fast. I have a fairly large list of US emails that I need to verify before sending. What are you guys using right now for email verification? I've seen some recent benchmarks mentioning tools like Bouncer, ZeroBounce...

Hi friends, I have average 2k USA number leads daily from various classified sites. Can be increased to 10k daily. I am monetizing those with Big Bucks Revenue and others sms offer. But i am not satisfied with the conversion percentage. So i wanna give it a try with pay per call offer. Can...