Hire me. My charge is $5 for 20000 emails. So, for 500k emails the cost is $125
I've built a system for my team to clean email list. My system will clean all dead & not-existed emails & export the clean list. 100% accurate.
I'm an Email & DNS Server Expert, SMTP, Spam Control, Postfix, Exim, PowerMTA, Interspire, MailWizz, Email Marketing Expert, Web Designer, Linux System Admin, AWS & Google Cloud Expert, Web Security Analyst & Website Performance Optimizer.