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Re: Using curl with stunnel

From: Config <config_at_suddenlink.net>
Date: Fri, 07 Mar 2014 17:57:54 -0600

-------- Original Message --------
> On Fri, 7 Mar 2014, Config wrote:
>
>> However, I just discovered that using curl_735_0_ssl
>> automatically connects using ssl (I think).
> If the protocol part of your url is:
>
> * pop3 then it will be plain text unless a) your server supports TLS
> upgrades and b) you specify --try-ssl then it will perform an explicit SSL
> connection.
> * pop3s then it implicitly uses SSL from the very beginning and everything
> is encrypted by OpenSSL or whichever SSL backend your version of curl was
> built with.
>
> --version will tell you which SSL library you are using. I'm guessing your
> using Windows given you command prompt, so you'll probably be using OpenSSL
> or WinSSL (aka Microsoft's SChannel).
>
>> The email message is coming in un-enceypted however.
> You mean using the packet sniffer, in your output file or in the console
> output from curl?
>
>> Not sure how to make a complete ssl connection. I thought pop3s
>> would force this.
> It does - that's the job of the various SSL backends we use ;-)
>
> Kind Regards
>
> Steve
>
   I didn't realize that I didn't have pop3s in my string. Now I am
having connect problems because of certs.

I am trying this (I know the certs are correct because I use them with
another program):

C:\Curl\curl_735_0_ssl\curl.exe -O C:\example.txt --cacert
cotse-stunnel.pem --cert mystunnel.pem -v -u userID:password
pop3s://mail.cotse.net/1

Cotse requires us to use their cert as well as one of our own. What
param do I use for these? Does that look correct above?

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Received on 2014-03-08