RFC 2045:Multipurpose Internet Mail Extensions ...
RFC-Ref

1 - 2 - 8 - A - B - C - D - E - F - G - H - I - L - M - N - O - P - Q - R - S - T - U - V - W - X

Encoding Type

Click on the red underlined text to get to the source

6. Content-Transfer-Encoding Header Field
... BASE64 and bAsE64 are all equivalent. An encoding type of 7BIT requires that the body is already in a 7bit mail-ready representation. This is the default value -- that is, "Content-Transfer-Encoding ...

1 - 2 - 8 - A - B - C - D - E - F - G - H - I - L - M - N - O - P - Q - R - S - T - U - V - W - X

Google
Web
RFC-Ref
RFC-Ref.org
Frontpage
Global Index
RFC
Sister Sites
Chess-Ref.org
Law-Ref.org
InChI.info
Zvon.org