__cfruid and _cfuvid which are in use for rate limiting users, but __cfduid shouldn't be set anymore by us to my understanding__dcfduid__cf and having the d makes me think its something custom. I can't see any trace of that cookie being something known to us as one we useEveryone




From https://www.zoho.com/mail/help/email-forwarding.html
- A confirmation email will be sent to the added email address. Email forwarding will be enabled only after you verify the account.

score, in cf{} request header. Is that or anything else in cf header useful?
"fextemp.com" (including the quotes), on Google, leads to various sites confirming as you say, that they (@fextemp.com) are disposable emails.__cfruid_cfuvid__cfduid