Re: smtp and tls issue

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On Sat, 2010-09-04 at 01:03 -0700, Tomas Kuliavas wrote:
> 
> iClou wrote:
> > 
> > On Fri, 2010-09-03 at 14:50 -0700, Tomas Kuliavas wrote:
> >> 
> >> iClou wrote:
> >> > 
> >> > Hi
> >> > I run squirrelmail on ubuntu 9.04 successfully.
> >> > When I switch to a different smtp server which requires tls then I get
> >> the
> >> > following error message. (the server runs on port 25)
> >> > 
> >> > "0 Can't open SMTP stream"
> >> > 
> >> > I tried to connect from other clients to the same smtp server and it
> >> works
> >> > fine.
> >> > Any idea how to resolve this?
> >> > 
> >> Don't confuse TLS with StartTLS extension.
> >> 
> >> Stable SquirrelMail versions support plain text SMTP and SMTP-over-SSL.
> >> If
> >> you set SquirrelMail to use TLS, you set it to connect to SMTP-over-SSL
> >> service.
> >> 
> >> Service on 25 port can be only plain text SMTP with optional StartTLS
> >> extension.
> >> 
> >> StartTLS is supported only in SquirrelMail 1.5.x and limited number of
> >> PHP
> >> versions.
> > I upgraded to version 1.5.x; now I can connect to the server -thanks!
> > But the email get the content-transfer-encoding: 8bit, see this extract
> > from the email:
> > 
> > Content-Transfer-Encoding: 8bit
> > 
> > Such emails will not be delivered through the Internet.
> > 
> > How does this come and how can I resolve this?
> What kind of error you get? Which SquirrelMail version are you using? Which
> SMTP server are you using? Can you show EHLO response of SMTP server?
> 
> telnet your-smtp-server 25
> > server's greeting
> ehlo your-hostname
> > some response that I want to see
> quit
> 
> There is nothing wrong in this header. Emails with
> "Content-Transfer-Encoding: 8bit" can be delivered. SquirrelMail 1.4.x uses
> same header. Are you from China? Some countries filter internet traffic. Not
> sure how it is done in your country. I don't think that traffic filters
> block "Content-Transfer-Encoding: 8bit"
I found the root cause of it - 
I send out the emails throught a custom perl script.
mail::gpg has a default option of use_strict_7bit_encoding - 
When I change this then it runs fine.
--
Thanks for your support on this!
Best,
Mike



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