Re: [Patch] use glib for digest calculations (was: Re: Sv: Balsa release?)



Hi Jack:

On 01/03/2017 11:07:37 PM Tue, Jack wrote:
Hi Peter,

On 2017.01.03 22:49, Peter Bloomfield wrote:
On 01/03/2017 08:02:48 PM Tue, Jack wrote:
On 2016.12.29 13:27, Albrecht DreƟ wrote:
Am 29.12.16 19:12 schrieb(en) Jack:

openssl s_client -starttls imap -connect your.provider.com:143

I get a timeout for yahoo, at&t, and gmail.  (AT&T email is actually run by Yahoo, although it's an att.net 
server.)  As far as I can tell, all three should support this.  (I mainly use POP3 with balsa on my main desktop PC, 
but I use IMAP on my laptop, tablet, and phone.)  I'm using openssl 1.0.2j.  Is this likely a configuration issue on 
my part, or are there known problems with any of those providers?

Maybe they don't support IMAP w/ STARTTLS over port 143, but only IMAPS (port 993)?  I.e. you have to say

openssl s_client -connect your.provider.com:993

as to negotiate the ssl connection *before* starting the protocol.  At least for yahoo, this works:

You got the same result I did for yahoo.  inbound.att.net didn't respond at all.  imap.gmail.com gives a lengthy 
response, but doesn't respond to "0001 CAPABILITY" and I can't tell what they are expecting.  It looks like 
they are talking a different language, which doesn't surprise me much.

With an IMAP connection to Gmail, I get this:

IMAP S: * OK Gimap ready for requests from (address omitted)
IMAP C: 1 CAPABILITY
IMAP S: * CAPABILITY IMAP4rev1 UNSELECT IDLE NAMESPACE QUOTA ID XLIST CHILDREN X-GM-EXT-1 XYZZY SASL-IR 
AUTH=XOAUTH2 AUTH=PLAIN AUTH=PLAIN-CLIENTTOKEN AUTH=OAUTHBEARER AUTH=XOAUTH
1 OK Thats all she wrote! k95mb720037192iod

FWIW!

odd, not for me:
$openssl s_client -connect imap.gmail.com:993

[lots of output trimmed]

* OK Gimap ready for requests from (address omitted)
1 CAPABILITY

and no response at all to that.  just sits there until I kill it.  Note the OK was the last response from 
gmail, I typed the next line, then nothing.

Hmm--the CAPABILITY stuff I quoted is from running "balsa -D" with gmail set up as an IMAP host over SSL; when I use openssl 
s_client, I get the same as you: much output, ending with the "ready for requests" line, and then no response to "1 
CAPABILITY". Balsa must be doing something else, that doesn't get echoed to the console.

Peter


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