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