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Topic: SSL-related Win32 function returned an er

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Roel
Newbie
Newbie

Joined: 19 January 2009
Online Status: Offline
Posts: 1

Posted: 19 January 2009 at 2:19am \| IP Logged

Hi,

I get the following problem with sending e-mails.

SSL-related Win32 function returned an error. See NativeErrorCode property value for more information. The Win32 error code is: -2146893048.

I use hmailserver without the SSL component (I can't configure it anywhere). I use Mailbee.Net without the SSL component (I can't configure it anywhere)

What Is do is use port 465 for SMTP without using SSL because my ISP blocks 25. Could this be the problem?

Thanks!!

Roel

Igor
AfterLogic Support

Joined: 24 June 2008
Location: United States
Online Status: Offline
Posts: 6104

Posted: 19 January 2009 at 6:46am \| IP Logged

Quote:

What Is do is use port 465 for SMTP without using SSL because my ISP blocks 25. Could this be the problem?

Yes, this seems to be the reason of the issue you faced. In most cases, SMTP servers expect SSL-enabled connections on port 465. Try connecting as follows:

Code:

Smtp mailer = new Smtp();

SmtpServer server = new SmtpServer("mail.domain.com", "user", "passwd");

server.Port = 465;

server.SslMode = SslStartupMode.onConnect;

mailer.SmtpServers.Add(server);

Regards,
Igor

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