use case-insensitive string to compare the encoding

DusanKasan / parsemail

Simple email parsing for Golang

MIT License

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use case-insensitive string to compare the encoding #20

Closed xesina closed 2 years ago

xesina commented 4 years ago

Hey, I came across a case that some providers use Base64 as the value for Content-Transfer-Encoding. This PR just lower the encoding string before checking inside the switch.