Why does the attachment size double when sending an email? For example, attach a 2mb picture to an email and when you send it it becomes a 4.5mb attachment. Why?
by 
geek860
ANSWERS: 2
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... what email program are you using? That is not the case for me.
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Email is not a binary system; it is designed for sending text. That means that it is allowed to drop "mnn printing" characters, it will not necessarily transmit characters in the rant 128 to 255, and it may give special meanings to certain characters, T^herefore binary files, such as images have to be sent as hexadecimal characters: the byte 0xA0, decimal value 160, is sent as the two characters "A0", which take up twice as much space.
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