In Standard edition you can verify emails in Direct Mode and use List Tools.

In Professional edition you can verify emails in Direct Mode, via Socks servers and Web script. Also can use List Tools and External Datasourses.

If your want verify emails via own Socks server with openning 25 smtp port, we can install SS5 proxy server on CentOs 7 VPS server andconfigure domain DNS records. After installation you get IP adress, port, username and password of your Socks account. We guarantie free support 3 months.

Limit of verification on 1 Socks server - 10000 emails in day. You get Socks settings (IP address, port, username and password) of server. You can verify 300 000 emails in month.

Limit of verification on 1 Socks server - 10000 emails in day. You get Socks settings (IP address, port, username and password) of server. You can verify 900 000 emails in month.

Limit of verification on 1 Socks server - 10000 emails in day. You get Socks settings (IP address, port, username and password) of server. You can verify 1 500 000 emails in month.