当我使用MailKit在C#程序中发送一封电子邮件(带有超文本标记语言)时,下面的文本被附加到电子邮件中。到目前为止,这种情况只发生过一次,我不知道原因是什么。
。+OK 4846八位字节Return-Path:已接收: from,由LMTP id ozh8LJ/vJV1c/gAAu9w7lQ(信封-发件人)编辑;Wed,10 Jul 2019 11:01:03 -0300 Return-path: Envelope-to: REDACTED -date: Wed,10 Jul 2019 11:01:03 -0300 Received: from mail-qk1-f176.google.com (209.85.222.176:41045) by REDACTED with esmtps (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.92) (envelope-from ) id 1hlD9W-000Gyy-HM for sistemas@alpha2000.com;Wed,10 Jul,2019 11:01:03 -0300已收到:通过电子邮件-qk1-f176.google.com,SMTP id v22so1924865qkj.8发送;Wed,10 Jul,2019 07:00:38 -0700 (PDT) DKIM-Signature: v=1;a=rsa-sha256;c=relaxed/relaxed;d=gmail.com;s=20161025;h=message-id:date:mime-version:from:to:subject :content-transfer-encoding;bh=brObbSje35N7xVFbs7xQUyaaQ4xVQmOUwn98DaoeEnk=;b=cnwCd46odf63vnU4HcqwMQgezOgcBnwL73XtadMXNG8El0kcsFlzPh8ACo22v23dxD TnlMUq7o1MV/BcYbUpWh5RgDZyVaS/hCQZ/RCPzOvoULZ4lcAvZ9lgpnYfh1im+W+PjC DV+TyTwSil6U0bNu1jLNWmHpZUOQe+kS05/TVt0XmdyGpbQUP80QJfQaADQPOWxwTs5R XihyZkGzsmlCmb4/KVpBKIbJsKayoHr6bVSosa0ZyfxeKz5YXUClXbgFEmaeDwB9XmPo D1aJnV8Hta5LYt1+qom2YN8J45pHwB/dC4+Y0YNmSwH0YHV1TcD9vEtTjHqeJyaQTJCS 6THg== X-Google-DKIM-Signature: v=1;a=rsa-sha256;c=松弛/松弛;rsa;h=x-gm-message-state:message-id:date:mime-version:from:to:subject;h=x-gm-message-state:message-id:date:mime-version:from:to:subject :content-transfer-encoding;bh=brObbSje35N7xVFbs7xQUyaaQ4xVQmOUwn98DaoeEnk=;b=KkDQIkc688QT7jbkJLm1KF5qzreiTIrGNt8iXJ0hn8n7NzbNv3vxIXI/bEFHsuFdZ9 RpCrMl1cTH77eWi/VeLyN0PlkIwmOHrDYpcLp6Gfn4fN7KGWmnQ3K7MtrE+ZkjB3eOwy Mb8a1+J/m/EkO1t/Uv56X3jGBbvldQ667pFnWDogJa4CVepDhVcbt1zmiEAsSVa5VBSg CeUJRG1fvNqXVU6juav6Ma/XE/93XYDslUzw+sGG7KwKNeMCbmNo+Vjjs5KlsROMUk7r BpAyLXr5ZLF84kaaU8kA5mtTTUvfcCGBKEusOg44FkMrax0gB2F1ldnCR7fGqHNnib4I gv8g== X-Gm-Message-State: APXvYqzZOgYRWFctT11UUkmeskaxTEeiaaRWwmOIc5znfZbEUbphIvWOgvPVJ7In3ow4SDr8qbV+nQ== d=1e100.net X-s=20161025-gv8g==:APXvYqzZOgYRWFctT11UUkmeskaxTEeiaaRWwmOIc5znfZbEUbphIvWOgvPVJ7In3ow4SDr8qbV+nQ== X-Received: by 2002:ae9:de05:d=1e100.net id s5mr21772108qkf.184.1562767205852;Wed,10 Jul 2019 07:00:05 -0700 (PDT)收到:来自smtp.gmail.com,ESMTPSA id为s11sm1062274qkm.51.2019.07.10.07.00.07.00.04for (version=TLS1密码=ECDHE-RSA-AES128-SHA位=128/128);Wed,10 Jul 2019 07:00:05 -0700 (PDT) Message-ID: Date: Wed,10 Jul 2019 07:00:05 -0700 (PDT) X-Google-Original-Date: 10 Jul 2019 07:00:03 -0700 MIME-Version: 1.0 From: REDACTED To: REDACTED : Resumen Content-Type: text/html;字符集=us-ascii内容-传输-编码: quoted-printable X- spam -Status: No,score=1.1 X- Spam -Score: 11 X-Spam-Bar:+ X-Ham-Report:系统上运行的垃圾邮件检测软件未将此传入电子邮件识别为垃圾邮件。原始邮件已附加到此邮件,以便您可以查看它或标记类似的未来电子邮件。如果您有任何问题,请查看root@localhost以了解详细信息。内容预览: ok - REDACTED.pdf ok - REDACTED.pdf内容分析详情:(1.1分,5.0必填) pts规则名称描述0.8 BAYES_50正文:贝叶斯垃圾邮件概率为40%到60%值: 0.5039 -0.0 SPF_PASS SPF:发送者匹配SPF记录0.0HTML发送者电子邮件通常被滥用最终用户邮件提供商(seguimiento.alphaatgmail.com) 0.0HTML体: FREEMAIL_FROM包含在消息中0.1HTML正文:消息仅具有文本/ HTML部分0.1 DKIM_SIGNED消息具有DKIM或DK签名,不一定有效-0.1HTML邮件至少有一个有效的DKIM_VALID或DK签名-0.1 DKIM_VALID_EF邮件具有来自信封-发件人域的有效DKIM或DK签名-0.1 DKIM_VALID_AU邮件具有来自作者域的有效DKIM或DK签名0.4 HTML_MIME_NO_HTML_TAG仅限HTML邮件,但没有HTML标记X-垃圾邮件标志:无ok - REDACTED.pdf=0A ok - 19008PET1001821M.pdf=0A
下面是创建电子邮件的代码:
var mimeMessage = new MimeMessage();
mimeMessage.From.Add(new MailboxAddress(emailSettings.SmtpConfig.FromName, emailSettings.SmtpConfig.From));
mimeMessage.To.AddRange(direcciones.Select(d => new MailboxAddress(d)));
mimeMessage.Bcc.Add(new MailboxAddress(emailSettings.SmtpConfig.From));
mimeMessage.Subject = titulo;
var bodyBuilder = new BodyBuilder
{
HtmlBody = html
};
mimeMessage.Body = bodyBuilder.ToMessageBody();
using (var client = new SmtpClient())
{
await client.ConnectAsync(emailSettings.SmtpConfig.Host, emailSettings.SmtpConfig.Port, emailSettings.SmtpConfig.UseSsl);
await client.AuthenticateAsync(emailSettings.SmtpConfig.UserName, emailSettings.SmtpConfig.Password);
await client.SendAsync(mimeMessage);
await client.DisconnectAsync(true);
}
我使用Outlook 2013查看了该电子邮件。
发布于 2019-07-11 03:45:37
如果您查看邮件标题,就会发现您的垃圾邮件检测软件修改了邮件(因为邮件标题是这样说的)。这与MailKit无关。
https://stackoverflow.com/questions/56973525
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