A hard bounce is an email that couldn't be delivered for permanent reasons. Maybe the email's a fake address, maybe the email domain isn't a real domain, or maybe the email recipient's server won't accept emails.
Or you can choose another filetype.
I will provide 2 separete reports.
It's from 92% to 96%
I can provide reports in MS Excel, MS Word, .CSV or .TXT formats. Just tell me what you need.
I use Three-level validity check. 1.Syntax check. Checked for correspondence to the RFC registration. 2.Domain existance check. 3.Email address check. This is the last step of full verification. Searching for a domain’s SMTP server and checing the user’s existence.
Contact me so we can discuss details. Big orders - BIGGER discounts =)