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Re: How to use TLS over SMTP [message #48049 is a reply to message #48045]

Sat, 13 May 2017 10:13

Tom1
Messages: 1212
Registered: March 2007

Senior Contributor

Hi,

Wow, that was fast Oblivion! Thanks!!

However, sending with STARTTLS failed with an error:

503 5.5.1 Error: send HELO/EHLO first

when processing:

String ans = SendRecv("AUTH LOGIN\r\n");

I fixed it by removing the 'else' after initializing STARTTLS and allowing new HELO inside STARTTLS mode. I think I read somewhere that after going into STARTTLS makes server drop all prior information and therefore requires starting over with new HELO:

	throw Exc("Server does not provide SMTP service information.");
}
//else
	SendRecvOK("HELO " + org + "\r\n");
if(!IsNull(auth_user)) {
	String ans = SendRecv("AUTH LOGIN\r\n");
...

Can you confirm if this is correct? It seems to work fine on my ISP's SMTP server.

Thanks and best regards,

Tom

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[Message index]

		How to use TLS over SMTP By: Shwetha on Sat, 06 February 2016 12:55
		Re: How to use TLS over SMTP By: mirek on Sun, 07 February 2016 07:08
		Re: How to use TLS over SMTP By: Tom1 on Fri, 12 May 2017 17:37
		Re: How to use TLS over SMTP By: Oblivion on Fri, 12 May 2017 21:28
		Re: How to use TLS over SMTP By: Oblivion on Fri, 12 May 2017 22:34
		Re: How to use TLS over SMTP By: Klugier on Fri, 12 May 2017 22:42
		Re: How to use TLS over SMTP By: Tom1 on Sat, 13 May 2017 10:13
		Re: How to use TLS over SMTP By: Oblivion on Sat, 13 May 2017 11:14
		Re: How to use TLS over SMTP By: Tom1 on Sat, 13 May 2017 20:55
		Re: How to use TLS over SMTP By: Tom1 on Mon, 15 May 2017 09:22
		Re: How to use TLS over SMTP By: Oblivion on Mon, 15 May 2017 10:34
		Re: How to use TLS over SMTP By: Tom1 on Mon, 15 May 2017 11:06
		Re: How to use TLS over SMTP By: Oblivion on Tue, 16 May 2017 20:10
		Re: How to use TLS over SMTP By: Tom1 on Wed, 17 May 2017 10:05
		Re: How to use TLS over SMTP By: Oblivion on Wed, 17 May 2017 10:36
		Re: How to use TLS over SMTP By: mirek on Wed, 05 July 2017 12:15

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