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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
Githubhttps://github.com/jstedfast/MailKit
官方Dochttp://www.mimekit.net/docs/html/Introduction.htm
2.核心内容（IMAP为例）
链接邮箱
加密client.Connect("imap.exmail.qq.com", 993, SecureSocketOptions.SslOnConnect);不加密client.Connect("imap.exmail.qq.com", 143, SecureSocketOptions.None);
client.Authenticate(MAIL_NAME, MAIL_PASSWORD);
client.Inbox.Open(FolderAccess.ReadWrite);
读取方式一：可以预先筛选邮件 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);读取方式二：读取所有邮件 var uids = client.Inbox.Search(SearchQuery.All);
操作邮件一：读取邮件标题 string subject = message.Subject; if (!subject.Contains("MimeKitDemo")) return;操作邮件二：读取正文 string body = message.TextBody ?? string.Empty; if (!body.Contains("MimeKitDemoBody")) return;操作邮件三：下载邮件附件 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); } }操作邮件四：移动邮件（移动至删除文件夹）client.Inbox.MoveTo(uid,client.GetFolder(SpecialFolder.Trash));操作邮件五：删除邮件 - 将邮件标记为删除、最后删除 client.Inbox.AddFlags(uid, MessageFlags.Deleted, true);client.Inbox.Expunge();3.样例源码地址
https://github.com/Impartsoft/Bins/tree/main/MailKitDemo
欢迎大家批评指正，共同学习，共同进步！
作者：Iannnnnnnnnnnnn
出处：https://www.cnblogs.com/Iannnnnnnnnnnnn
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发表于 2023-1-17 05:42:57