AspMail can encode high characters using a scheme where the = sign indicates a character to be decoded follow by the hex string value of the character to be encoded. This system of course assumes that the client can decode these characters (which most can). This is called quoted-printable encoding.
Technically, yes: both are a distance measured upwards from sea level in feet or meters. Usually, elevation is applied to land, whereas altitude is applied to aircraft in flight. Moinuddin Mondal. + 16 others found this useful.
Altitude means height above the ground or above the sea level. Common uses include aviation (flying, parachuting, gliding), and geography / surveying. In geometry it is also used as the height of the object itself. Generally, altitude is the distance one thing is above another thing. This is in the vertical or up direction. For the height of the ground (such as for hills and mountains), the word elevation is also used and might be a better choice.