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Sending Mails with SMTP

Explore how to use Go's net/smtp package to send emails by connecting to SMTP servers, setting sender and receiver addresses, handling errors, and using authentication with TLS for secure communication.

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Overview of SMTP in Go #

The package net/smtp implements the Simple Mail Transfer Protocol for sending mail. It contains a Client type that represents a client connection to an SMTP server:

  • Dial returns a new Client connected to an SMTP server.
  • Set Mail (=from) and Rcpt(= to)
  • Data returns a writer that can be used to write
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