Question

背景背景：

我正在使用EWS托管API 2.0连接到客户Outlook邮箱并将其电子邮件处理到我的应用程序中。我无法控制客户发送的电子邮件类型，但部分处理是维护正在发送的附件和嵌入图像。

我的问题：

其中一位用户发送了带有base64图像的HTML类型电子邮件，作为其签名的一部分。 Exchange Api获取HTML编码的电子邮件的正文和部分正文，base64图像也被编码（将'+'符号转换为'＆amp;＃43;'），这现在破坏了我的应用程序。

问题：有没有办法在不编码base64图像的情况下检索电子邮件正文？作为一种解决方法，现在我正在做一个字符串替换'＆amp; ＃43;”到'+'。

这是我用来获取电子邮件正文的代码的一部分;我正在使用的程序集：Microsoft.Exchange.WebServices Version = 15.0.0.0

var service = new ExchangeService(Exchange2010_SP2);
// rest of creating the service

var singleEmailView = new ItemView(1);
SearchFilter unreadEmailsFilter = new SearchFilter.SearchFilterCollection(LogicalOperator.And, new SearchFilter.IsEqualTo(EmailMessageSchema.IsRead, false));
var emailResults = service.FindItems(WellKnownFolderName.Inbox, unreadEmailsFilter, singleEmailView);

if (emailResults.Items.Any())
    {
        var firstItem = emailResults.Items.First();
        var email = firstItem as EmailMessage;
        email.Load();

        var propertySet = new PropertySet(BasePropertySet.FirstClassProperties, ItemSchema.MimeContent, EmailMessageSchema.IsRead);
        service.LoadPropertiesForItems(new List<Item> { firstItem }, propertySet);

        var  body = firstItem.Body;
    }

执行email.Body或firstItem.Body会重复使用相同的HTML。

这是一个带有编码的base64图像的电子邮件示例 - 请参阅'＆amp; ＃43;”在img src：

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<b>HIIIIIIIIIIIIIIIIIIIIIII <b><img src="data:image/gif;base64,R0lGODlhPQBEAPeoAJosM//AwO/AwHVYZ/z595kzAP/s7P&#43;goOXMv8&#43;fhw/v739/f&#43;8PD98fH/8mJl&#43;fn/9ZWb8/PzWlwv///6wWGbImAPgTEMImIN9gUFCEm/gDALULDN8PAD6atYdCTX9gUNKlj8wZAKUsAOzZz&#43;UMAOsJAP/Z2ccMDA8PD/95eX5NWvsJCOVNQPtfX/8zM8&#43;QePLl38MGBr8JCP&#43;zs9myn/8GBqwpAP/GxgwJCPny78lzYLgjAJ8vAP9fX/&#43;MjMUcAN8zM/9wcM8ZGcATEL&#43;QePdZWf/29uc/P9cmJu9MTDImIN&#43;/r7&#43;/vz8/P8VNQGNugV8AAF9fX8swMNgTAFlDOICAgPNSUnNWSMQ5MBAQEJE3QPIGAM9AQMqGcG9vb6MhJsEdGM8vLx8fH98AANIWAMuQeL8fABkTEPPQ0OM5OSYdGFl5jo&#43;Pj/&#43;pqcsTE78wMFNGQLYmID4dGPvd3UBAQJmTkP&#43;8vH9QUK&#43;vr8ZWSHpzcJMmILdwcLOGcHRQUHxwcK9PT9DQ0O/v70w5MLypoG8wKOuwsP/g4P/Q0IcwKEswKMl8aJ9fX2xjdOtGRs/Pz&#43;Dg4GImIP8gIH0sKEAwKKmTiKZ8aB/f39Wsl&#43;LFt8dgUE9PT5x5aHBwcP&#43;AgP&#43;WltdgYMyZfyywz78AAAAAAAD///8AAP9mZv///wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACH5BAEAAKgALAAAAAA9AEQAAAj/AFEJHEiwoMGDCBMqXMiwocAbBww4nEhxoYkUpzJGrMixogkfGUNqlNixJEIDB0SqHGmyJSojM1bKZOmyop0gM3Oe2liTISKMOoPy7GnwY9CjIYcSRYm0aVKSLmE6nfq05QycVLPuhDrxBlCtYJUqNAq2bNWEBj6ZXRuyxZyDRtqwnXvkhACDV&#43;euTeJm1Ki7A73qNWtFiF&#43;/gA95Gly2CJLDhwEHMOUAAuOpLYDEgBxZ4GRTlC1fDnpkM&#43;fOqD6DDj1aZpITp0dtGCDhr&#43;fVuCu3zlg49ijaokTZTo27uG7Gjn2P&#43;hI8&#43;PDPERoUB318bWbfAJ5sUNFcuGRTYUqV/3ogfXp1rWlMc6awJjiAAd2fm4ogXjz56aypOoIde4OE5u/F9x199dlXnnGiHZWEYbGpsAEA3QXYnHwEFliKAgswgJ8LPeiUXGwedCAKABACCN&#43;EA1pYIIYaFlcDhytd51sGAJbo3onOpajiihlO92KHGaUXGwWjUBChjSPiWJuOO/LYIm4v1tXfE6J4gCSJEZ7YgRYUNrkji9P55sF/ogxw5ZkSqIDaZBV6aSGYq/lGZplndkckZ98xoICbTcIJGQAZcNmdmUc210hs35nCyJ58fgmIKX5RQGOZowxaZwYA&#43;JaoKQwswGijBV4C6SiTUmpphMspJx9unX4KaimjDv9aaXOEBteBqmuuxgEHoLX6Kqx&#43;yXqqBANsgCtit4FWQAEkrNbpq7HSOmtwag5w57GrmlJBASEU18ADjUYb3ADTinIttsgSB1oJFfA63bduimuqKB1keqwUhoCSK374wbujvOSu4QG6UvxBRydcpKsav&#43;&#43;Ca6G8A6Pr1x2kVMyHwsVxUALDq/krnrhPSOzXG1lUTIoffqGR7Goi2MAxbv6O2kEG56I7CSlRsEFKFVyovDJoIRTg7sugNRDGqCJzJgcKE0ywc0ELm6KBCCJo8DIPFeCWNGcyqNFE06ToAfV0HBRgxsvLThHn1oddQMrXj5DyAQgjEHSAJMWZwS3HPxT/QMbabI/iBCliMLEJKX2EEkomBAUCxRi42VDADxyTYDVogV&#43;wSChqmKxEKCDAYFDFj4OmwbY7bDGdBhtrnTQYOigeChUmc1K3QTnAUfEgGFgAWt88hKA6aCRIXhxnQ1yg3BCayK44EWdkUQcBByEQChFXfCB776aQsG0BIlQgQgE8qO26X1h8cEUep8ngRBnOy74E9QgRgEAC8SvOfQkh7FDBDmS43PmGoIiKUUEGkMEC/PJHgxw0xH74yx/3XnaYRJgMB8obxQW6kL9QYEJ0FIFgByfIL7/IQAlvQwEpnAC7DtLNJCKUoO/w45c44GwCXiAFB/OXAATQryUxdN4LfFiwgjCNYg&#43;kYMIEFkCKDs6PKAIJouyGWMS1FSKJOMRB/BoIxYJIUXFUxNwoIkEKPAgCBZSQHQ1A2EWDfDEUVLyADj5AChSIQW6gu10bE/JG2VnCZGfo4R4d0sdQoBAHhPjhIB94v/wRoRKQWGRHgrhGSQJxCS&#43;0pCZbEhAAOw==">
</b></b>
</body>
</html>

EWS电子邮件的base64 img标签已编码

0 个答案: