I will do email verification and email list cleaning service 50k in 24 hrs

Are you looking for Email Verification Service and Cleanup Service
To stay away from blacklists and
To keep the IP domain reputation high?
I will provide my services by

1. Removing Duplicates
2. Catchup-All Verification
3. Non-Responding E-mails cleanup
4. Valid Mailbox Existence
Format:
As required such as
XLSX
CSV
.doc and others.