Email verification and list cleaning 200k

Hi, I am Subhajit Banerjee. In this Gig, the services that I provide are:-
Validation checks that meet the Accuracy!

1. Duplicate Remove:-Removes all duplicate email addresses automatically and it comes free of cost
2. Catch-All Verification:-Identify the catch-all type addresses to avoid emailing thereby improving the overall deliverability hygiene
3. Syntax Validation:-Fully cleans your email list by conforming invalid syntax to the standard format
4. Remove Dots:- Normalize the account name by removing the dots of the Gmail address to avoid multiple email addresses pointing to the same inbox
5. Remove Sub address:-Normalizes sub address from the Gmail/Outlook/Yahoo/iCloud to avoid multiple email addresses pointing to the same inbox
6. Mailbox Existence:-Verifies the email addresses to check if there is a mailbox that exists or not.