可以在此处找到使用 MailKit 与 Office365 进行 OAuth2 身份验证的文档: https: //github.com/jstedfast/MailKit/blob/master/ExchangeOAuth2.md
var options = new PublicClientApplicationOptions {
ClientId = "Application (client) ID",
TenantId = "Directory (tenant) ID",
RedirectUri = "https://login.microsoftonline.com/common/oauth2/nativeclient"
};
var publicClientApplication = PublicClientApplicationBuilder
.CreateWithApplicationOptions (options)
.Build ();
var scopes = new string[] {
"email",
"offline_access",
"https://outlook.office.com/IMAP.AccessAsUser.All", // Only needed for IMAP
//"https://outlook.office.com/POP.AccessAsUser.All", // Only needed for POP
//"https://outlook.office.com/SMTP.Send", // Only needed for SMTP
};
var authToken = await publicClientApplication.AcquireTokenInteractive (scopes).ExecuteAsync ();
var oauth2 = new SaslMechanismOAuth2 (authToken.Account.Username, authToken.AccessToken);
using (var client = new ImapClient ()) {
await client.ConnectAsync ("outlook.office365.com", 993, SecureSocketOptions.SslOnConnect);
await client.AuthenticateAsync (oauth2);
await client.DisconnectAsync (true);
}
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您可以通过使用 OAuth 令牌创建 OAuthCredentials 对象,然后在 ExchangeService 对象上设置凭据和终结点来使用 EWS 托管 api。然后,您可以使用 ExchangeService 对象来创建和发送电子邮件。
var credentials = new OAuthCredentials(token);
var ews = new ExchangeService();
ews.Credentials = credentials;
ews.Url = endpointUrl;
var email = new EmailMessage(ews);
...
email.Send();
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前进的方法是 Microsoft Graph,但我对它不太熟悉。 https://learn.microsoft.com/en-us/graph/api/resources/mail-api-overview?view=graph-rest-1.0
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