bestätigen vs. verifizieren

• i recommend we use here the word "bestätigen".
• it is more usual in these matters of opt-in-abonnements for mails.
• it is more usual and common in german.
• in most cases we don't use here words with latin roots (even your choice while changing/correcting).
• other sources: dict.cc
  • "überprüfen" wouldn't fit
  • "bestätigen" 560 sources vs. verify 66 sources