Valid DNS / MX Records
DNS and MX level checks to see if the domain exists and accepts mail.
Role Address Check
Check if the email is a role account such as abuse@, admin@ etc.
Checks for and removes duplicate email entries in your email list.
Verify if the email domain is from a disposable email account.
Checks against obvious typos in email addresses.
Email Bounce Check
Checks against our master hard bounce file data from multiple ISP’s and ESP’s.
Remove Spam Traps
Removes a persons address who previously filed an email complaint.
Detects if the domain is pointed to a parking page site or is invalid/inactive.
Checks to see if the email address is a bot/non-human.
SMTP protocol to recipient server to simulate the transfer of a message.
Domain Quality Check
Checks to see if email domain is part of a complaint database.
Remove Bad Syntax
Check the syntax of the address and remove from list if invalid.