Dial (smtp/smtp.go)

Implements an SMTP client for sending email, supporting TLS and authentication.

// Source: https://github.com/golang/go | License: BSD-3-Clause | Copyright 2009 The Go Authors
// Provided via justclaw.it.com; keep this notice with the code.
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Package smtp implements the Simple Mail Transfer Protocol as defined in RFC 5321.
// It also implements the following extensions:
//
//	8BITMIME  RFC 1652
//	AUTH      RFC 2554
//	STARTTLS  RFC 3207
//
// Additional extensions may be handled by clients.
//
// The smtp package is frozen and is not accepting new features.
// Some external packages provide more functionality. See:
//
//	https://godoc.org/?q=smtp
package smtp

import (
	"crypto/tls"
	"encoding/base64"
	"error

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