IETF contacts? - Reference to historic or obsolated RFCs

Hello guys,

I've sent the e-mail below to IETF, but I couldn't find a contact e-mail to
address this kind of subject in IETF site. Does anybody knows which e-mail
to send this?

The contact page from IETF website:


Thanks! :slight_smile:

I'd suggest the ietf-discussion list, since it's a matter for general discussion.