RFC 822:STANDARD FOR THE FORMAT OF ARPA INTERNET ...
RFC-Ref

remove


Click on the red underlined text to get to the source

... CR and/or LF may be present in the actual text, they are removed by the action of unfolding the field.) ...
... The "current" network's idiosyncracies are removed and the message is returned to the canonical form speci- ...
... ------------------ From ==> | Remove Net-A | Net-A | idiosyncracies | ------------------ ...


... The use of quoted-string, and the ":"-atom-":" construct, have been removed. An address now is either a single mailbox ...



Google
Web
RFC-Ref