Azimout's Linux weblog

Base64 encoding/decoding for authentication

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To encrypt your username and password in order to authenticate yourself with an SMTP server, the command to use on a Linux terminal is the following:

echo -e -n "\0username\0password" | base64 -

The result will look something like this:


“-e” is required in order to correctly interpret “\0” as the null byte. “-n” is required to stop “echo” from appending CR and/or LF characters at the end.


Written by azimout

28/05/2011 at 13:36

Posted in Howto

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