[Users] Tips on how to narrow down a sending problem

[Paul Rolland (=?UTF-8?B?44Od44O844Or44O744Ot44Op44Oz?=)]

Hello,

On Thu, 27 Feb 2014 12:32:56 -0500
Steve Litt <slitt at troubleshooters.com> wrote:

> Can anyone think of any diagnostic tests I can do to further narrow the
> root cause scope of this problem?
> 

When dealing with secure connection, openssl is your friend.
To test what you are thinking of :

openssl s_client -host smtp.gmail.com -port 465

will open an SSL secured connection to the indicated host and port, and
allow you a direct SMTP dialog with GMail servers...

119 [19:56] rol at riri.DEF:~> openssl s_client -host smtp.gmail.com -port 465
CONNECTED(00000003)
depth=3 C = US, O = Equifax, OU = Equifax Secure Certificate Authority
verify return:1
.....
---
220 mx.google.com ESMTP ff9sm22431038wib.11 - gsmtp

EHLO riri.def.witbe.net

250-mx.google.com at your service, [2a01:240:fe1c:0:224:e8ff:fede:5a7b]
250-SIZE 35882577
250-8BITMIME
250-AUTH LOGIN PLAIN XOAUTH XOAUTH2 PLAIN-CLIENTTOKEN
250-ENHANCEDSTATUSCODES
250 CHUNKING

QUIT
DONE
...

Paul
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