Clean your email lists

Leadsighter is a tool to easily clean your email lists for free.

CSV File

1,000 contacts maximum - 1MB maximum
The CSV file just need to contain at least one column with an header row called email (case insensitive)

Delimiter

The character used to separate your CSV columns

Remove contacts with invalid MX record Recommended

These emails are very likely to hard bounce

Remove contacts with typos Recommended

gmaiil, hootmail,...

Remove contacts with disposable emails Recommended

These emails are very likely to no longer exist

Remove contacts with public emails

gmail.com, hotmail.com,... Useful if you want to keep only company emails

Email domains to exclude

One per line

To improve campaign statistics and rates

To maintain a healthy contact base

To target only companies in the B2B context

To avoid becoming a bad sender

Emails are not stored in a database

CSV files are automatically deleted of our server each 10 min

Zero data collected

No logs