This site did not show evidence of storing passwords in plaintext.
This site does allow secured connections (https)
This site did show a clear way to unsubscribe from their emails
This site does verify your email address.
Membership Emails
Below is a sample of the emails you can expect to receive when signed up to KontakK.
Halo, Ini adalah email pemberitahuan otomatis bahwa akun KontakK Anda sedang dibuat. Jika pembayaran Anda telah diterima, maka setelah ini Anda akan menerima email yang berisi detail login akun Anda. Informasi KontakK Premium silahkan ke https://premium.kontakk.com
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Arts and Entertainment
Business and Industry
Computer and Electronics
Games
Health
Internet and Telecom
Shopping
Sports
Travel
More