To send an email directly from Golang you can use the package smtp which implements the Simple Mail Transfer Protocol (SMTP) as defined in RFC 5321. You also need a mail server, for this tutorial will use the Gmail mail server.

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Golang programing language provides built-in suport for base64 decoding. The base64 functions are available into the encoding/base64 package. It provides implementations for both Standard, with or without padding and Filename safe Base64 decoding variant.

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Golang programing language provides built-in suport for base64 encoding. The base64 functions are available into the encoding/base64 package. It provides implementations for both Standard, with or without padding and Filename safe Base64 encoding variant.

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An array is a data structure with a fixed size containing elements (items) of the same type. Iterate over an array using for loop or for range loop.

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The abstract keyword is used in Java for abstraction. The abstraction is the process of selecting data and displaying only the relevant details to the object. If helps to reduce the programing complexity and the efort.

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Keywords are special words in the programing language which have reserved use in the language. Keywords may not be used as identifiers in Java; for example you cannot declare a field whose name is a keyword.

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