我想知道在使用TIdSMTPRelay
中的indy
组件中继邮件时是否有使用我的服务器证书的方法。这就是我代码中的邮件中继部分的样子:
procedure TMyForm.SMTPServerMsgReceive(ASender: TIdSMTPServerContext; AMsg : TStream;
var LAction: TIdDataReply);
begin
//The AMsg (TStream) is being transformed to MsgDecode (TIdMessage) and
// all relay recipients to RelayRecipients (TIdEMailAddressList) using
// [http://stackoverflow.com/questions/8499524/using-indy-smtpserver]
// SSLRelayHandler is a TIdSSLIOHandlerSocketOpenSsl indy component and SMTPRelay is
// a TIdSMTPRelay indy component
SMTPRelay.DNSServer := myDNSServer;
SSLRelayHandler.SSLOptions.Method := sslvSSLv23;
SSLRelayHandler.SSLOptions.KeyFile := myMailServerKey;
SSLRelayHandler.SSLOptions.CertFile := myMailServerCert;
SSLRelayHandler.SSLOptions.RootCertFile := myMailServerRootCert;
SMTPRelay.IOHandler := SSLRelayHandler;
SMTPRelay.SSLOptions.SSLSupport := SupportSSL;
try
SMTPRelay.Send(MsgDecode, RelayRecipients);
except on e : Exception do
end;
end;
有时邮件永远不会发送,有时会发送,但是会转到垃圾邮件部分(yahoo),尽管由于我的
STARTTLS
附加了TIdSSLIOHandlerSocketOpenSSL
,我还是发出了TIdSMTPRelay
命令。我可以连接到另一个邮件服务器的SMTPS
端口465
还是TIdSMTPRelay
组件只能发送到端口25
?有关更多详细信息,这是与yahoo的通信方式:Stat Connected.
Recv 23.10.2014 ?. 15:32:15: 220 mta1418.mail.gq1.yahoo.com ESMTP ready<EOL>
Sent 23.10.2014 ?. 15:32:15: EHLO mail.mydomain.com<EOL>
Recv 23.10.2014 ?. 15:32:15: 250-mta1418.mail.gq1.yahoo.com<EOL>250-PIPELINING<EOL>250-SIZE 41943040<EOL>250-8BITMIME<EOL>250 STARTTLS<EOL>
Sent 23.10.2014 ?. 15:32:15: STARTTLS<EOL>
Recv 23.10.2014 ?. 15:32:15: 220 Start TLS<EOL>
Sent 23.10.2014 ?. 15:32:16: EHLO mail.mydomain.com<EOL>
Recv 23.10.2014 ?. 15:32:16: 250-mta1418.mail.gq1.yahoo.com<EOL>250-PIPELINING<EOL>250-SIZE 41943040<EOL>250 8BITMIME<EOL>
Sent 23.10.2014 ?. 15:32:16: MAIL FROM:<[email protected]><EOL>
Recv 23.10.2014 ?. 15:32:16: 250 sender <[email protected]> ok<EOL>
Sent 23.10.2014 ?. 15:32:16: RCPT TO:<[email protected]><EOL>
Recv 23.10.2014 ?. 15:32:16: 250 recipient <[email protected]> ok<EOL>
Sent 23.10.2014 ?. 15:32:16: DATA<EOL>
Recv 23.10.2014 ?. 15:32:17: 354 go ahead<EOL>
Sent 23.10.2014 ?. 15:32:17: From: "[email protected]" <[email protected]> <EOL>Subject: =?UTF-8?B?0JfQsNCz0LvQsNCy0LjQtTIy?=<EOL>To: [email protected]<EOL>Date: Thu, 23 Oct 2014 15:32:17 +0300<EOL>
Sent 23.10.2014 ?. 15:32:17: <EOL>
Sent 23.10.2014 ?. 15:32:17: body of the mail here<EOL>
Sent 23.10.2014 ?. 15:32:17: <EOL>
Sent 23.10.2014 ?. 15:32:17: .<EOL>
Recv 23.10.2014 ?. 15:32:18: 250 ok dirdel<EOL>
Sent 23.10.2014 ?. 15:32:18: QUIT<EOL>
Recv 23.10.2014 ?. 15:32:18: 221 mta1418.mail.gq1.yahoo.com<EOL>
Stat Disconnected.
最佳答案
TIdSMTPRelay
可以使用其他端口。您应该将Port
属性设置为默认值(25),以便它可以根据内部管理SSL / TLS连接的方式在25和465之间切换。SSLOptions
属性控制TIdSMTPRelay
如何管理其SSL / TLS连接。可以将SSLOptions.SSLSupport
设置为NoSSL
,SupportSSL
或RequireSSL
,并且SSLOptions.TryImplicitTLS
可以设置为True或False。请参见TIdSMTPRelay.Connect()
中的实现。
当SSLOptions.TryImplicitTLS
为true(端口465)时,Send()
将在连接时尝试使用UseTLS=utImplicitTLS
。这意味着一旦连接套接字,便会启动SSL / TLS握手。
如果失败,或者SSLOptions.TryImplicitTLS
为false(端口25和587),则Send()
将使用UseTLS=utNoTLSSupport
,UseTLS=utUseExplicitTLS
或UseTLS= utUseRequireTLS
,具体取决于SSLOptions.SSLSupport
的值:NoSSL
:SMTP会话将不加密。SupportSSL
:SMTP会话将不加密地启动,然后STARTTLS
仅在受支持的情况下才发送到SMTP服务器,否则SMTP会话将继续不加密。如果SSL / TLS握手失败,将引发异常。RequireSSL
:SMTP会话将以未加密的形式启动,然后如果支持,将STARTTLS
发送到SMTP服务器,否则SMTP会话将关闭,并引发异常。如果SSL / TLS握手失败,将引发异常。