0.介绍
MimeKit and MailKit are popular fully-featured email frameworks for .NET
框架支持版本如下
Supports .NET 4.5, .NET 4.6, .NET 4.7, .NET 4.8, .NET 5.0, .NETStandard 2.0, Xamarin.Android, Xamarin.iOS, Windows Phone 8.1, and more.
MailKit是最流行且最强大的.NET邮件处理框架之一,下面为大家简单介绍MailKit的使用方式(IMAP为例)
1. 参考资料
Github https://github.com/jstedfast/MailKit
官方Doc http://www.mimekit.net/docs/html/Introduction.htm
2.核心内容(IMAP为例)
连接邮箱
加密
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client.Connect( "imap.exmail.qq.com" , 993, SecureSocketOptions.SslOnConnect);
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不加密
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client.Connect( "imap.exmail.qq.com" , 143, SecureSocketOptions.None);
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登入邮箱
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client.Authenticate(MAIL_NAME, MAIL_PASSWORD);
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打开邮件文件夹
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client.Inbox.Open(FolderAccess.ReadWrite);
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读取文件
读取方式一:可以预先筛选邮件
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search for messages where the Subject header contains either "MimeKit" or "MailKit"
var query = SearchQuery.SubjectContains( "MimeKit" ).Or(SearchQuery.SubjectContains( "MailKit" ));
var uids = client.Inbox.Search(query);
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读取方式二:读取所有邮件
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var uids = client.Inbox.Search(SearchQuery.All);
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邮件操作
操作邮件一:读取邮件标题
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string subject = message.Subject;
if (!subject.Contains( "MimeKitDemo" ))
return ;
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操作邮件二:读取正文
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string body = message.TextBody ?? string .Empty;
if (!body.Contains( "MimeKitDemoBody" ))
return ;
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操作邮件三:下载邮件附件
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var attachments = message.Attachments;
if (attachments.Any())
{
foreach (var attachment in attachments)
DownloadAttachment(attachment);
}
private static void DownloadAttachment(MimeEntity attachment)
{
if (attachment is MessagePart)
{
var fileName = attachment.ContentDisposition?.FileName;
var rfc822 = (MessagePart)attachment;
if ( string .IsNullOrEmpty(fileName))
fileName = "attached-message.eml" ;
var path = Path.Combine(DIRECTORY, fileName);
using (var stream = File.Create(path))
rfc822.Message.WriteTo(stream);
}
else
{
var part = (MimePart)attachment;
var fileName = part.FileName;
var path = Path.Combine(DIRECTORY, fileName);
using (var stream = File.Create(path))
part.Content.DecodeTo(stream);
}
}
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操作邮件四:移动邮件(移动至删除文件夹)
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client.Inbox.MoveTo(uid, client.GetFolder(SpecialFolder.Trash));
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操作邮件五:删除邮件 - 将邮件标记为删除、最后删除
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client.Inbox.AddFlags(uid, MessageFlags.Deleted, true );
client.Inbox.Expunge();
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3.样例源码地址
https://github.com/Impartsoft/Bins/tree/main/MailKitDemo
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原文链接:https://www.cnblogs.com/Iannnnnnnnnnnnn/p/14359043.html