mirror of
https://github.com/wneessen/go-mail.git
synced 2024-11-22 22:00:49 +01:00
43 lines
1.1 KiB
Go
43 lines
1.1 KiB
Go
|
// SPDX-FileCopyrightText: Copyright 2010 The Go Authors. All rights reserved.
|
||
|
|
// SPDX-FileCopyrightText: Copyright (c) 2022-2023 The go-mail Authors
|
||
|
|
//
|
||
|
|
// Original net/smtp code from the Go stdlib by the Go Authors.
|
||
|
|
// Use of this source code is governed by a BSD-style
|
||
|
|
// LICENSE file that can be found in this directory.
|
||
|
|
//
|
||
|
|
// go-mail specific modifications by the go-mail Authors.
|
||
|
|
// Licensed under the MIT License.
|
||
|
|
// See [PROJECT ROOT]/LICENSES directory for more information.
|
||
|
|
//
|
||
|
|
// SPDX-License-Identifier: BSD-3-Clause AND MIT
|
||
|
|
|
||
|
|
//go:build go1.18
|
||
|
|
// +build go1.18
|
||
|
|
|
||
|
|
package smtp
|
||
|
|
|
||
|
|
import "strings"
|
||
|
|
|
||
|
|
// ehlo sends the EHLO (extended hello) greeting to the server. It
|
||
|
|
// should be the preferred greeting for servers that support it.
|
||
|
|
func (c *Client) ehlo() error {
|
||
|
|
_, msg, err := c.cmd(250, "EHLO %s", c.localName)
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
ext := make(map[string]string)
|
||
|
|
extList := strings.Split(msg, "\n")
|
||
|
|
if len(extList) > 1 {
|
||
|
|
extList = extList[1:]
|
||
|
|
for _, line := range extList {
|
||
|
|
k, v, _ := strings.Cut(line, " ")
|
||
|
|
ext[k] = v
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if mechs, ok := ext["AUTH"]; ok {
|
||
|
|
c.auth = strings.Split(mechs, " ")
|
||
|
|
}
|
||
|
|
c.ext = ext
|
||
|
|
return err
|
||
|
|
}
|