r...@mattei.org wrote on 7/22/19 10:22 AM:
> You need to install the cert on your machine. Does the /etc/hosts
> have the name of your machine can you try to ping that name to
> see if it resolves?
The certificate is installed.
The hostname in '/etc/hosts' resolves, and responds to pings.
I replaced the self-signed PEM that shipped with qmailtoaster with one
that I made myself by concatenating the ‘.key’ and ‘.crt’ files from my
server certificate. Inspecting the resulting .pem with ‘openssl x509 -in
servercert.pem -text’ confirms that the resulting .pem is for the domain
that I expect. File permissions and ownership are correct.
'/etc/hosts' for my newly-built server contains the following line:
127.0.1.1 s6.mydomain.com s6
(obviously, 'mydomain' is not the actual name here). The .pem file
contains the lines:
Subject: OU=Domain Control Validated, OU=PositiveSSL,
CN=mail.mydomain.dev
and
X509v3 Subject Alternative Name:
DNS:mail.mydomain.dev, DNS:www.mail.mydomain.dev
's6.mydomain.com' and 'mail.mydomain.dev' all resolve to the same IP.
My existing qmailtoaster server (running an older version of the
software) has '/etc/hosts' containing:
127.0.1.1 s2.mydomain.com s2
and the .pem file contains:
Subject: OU=Domain Control Validated, OU=PositiveSSL Multi-Domain,
CN=mydomain.com
and
X509v3 Subject Alternative Name:
DNS:mydomain.com, DNS:mail.mydomain.com, DNS:www.mydomain.com
's6.mydomain.com' resolves to the same IP as 'mail.mydomain.dev';
's2.mydomain.com' resolves to the same IP as 'mail.mydomain.com'.
As far as I can see, the two situations are equivalent, with the slight
difference that the official server name of the new box
('s6.mydomain.com') is not a subdomain of the domain in the PEM file
('mail.mydomain.dev'), whereas on the old box the name of the host
('s2.mydomain.com') is a subdomain of one of the domain names in the PEM
file ('mydomain.com'). I don't know if this is a possible cause of my
problems.
One other difference is that I don’t have a PTR record for
's6.mydomain.com'. An RDNS lookup on the IP of 's2.mydomain.com' will
yield 's2.mydomain.com', but an RDNS lookup on the IP of
's6.mydomain.com' yields the FQDN of the Linode VM it runs on. Could
that be an issue?
I'll keep digging on this, but if anyone has any suggestions of tests or
tools I might use, I'd welcome your recommendations.
Thanks,
Angus
Il giorno 21 lug 2019, alle ore 20:03, Angus McIntyre <an...@pobox.com> ha
scritto:
Thanks to a great deal of help from Remi and Eric, I have now managed to get
my Ansible role to the point where it can successfully build out a QMailToaster
server running PHP 7.1 and RoundCube 1.4rc1.
However, because nothing is ever that easy, RoundCube and SquirrelMail have now
stopped sending mail (RainLoop works fine).
1) SquirrelMail
SquirrelMail was installed from the qmailtoaster RPMs, using:
yum --enablerepo=qmt-testing update
yum --enablerepo=qmt-devel update
as on the homepage of qmailtoaster.com. After installation, I patched the
Squirrelmail config and the smtps supervise as directed at:
http://www.qmailtoaster.com/sqmailconfig.html
Attempting to send from SquirrelMail produces the message:
0 Can't open SMTP stream
The /var/log/qmail/smtps/current log shows:
2019-07-22 02:45:15.173127500 tcpserver: status: 1/100
2019-07-22 02:45:15.179903500 tcpserver: pid 2843 from 127.0.0.1
2019-07-22 02:45:15.179905500 tcpserver: ok 2843 s6:127.0.0.1:465
:127.0.0.1::58822
2019-07-22 02:45:15.197381500 tcpserver: end 2843 status 256
2019-07-22 02:45:15.197383500 tcpserver: status: 0/100
2) RoundCube
RoundCube is 1.4rc1, installed from the remi-test repo. Following Eric's
instructions, I edited '/etc/roundcubemail/config.inc.php' so that it contains:
$config['smtp_server'] = 'tls://mail.myhost.com';
$config['smtp_conn_options'] = array(
'ssl' => array(
'peer_name' => 'mail.myhost.com',
'verify_peer' => true,
'verify_depth' => 3,
'cafile' => '/var/qmail/control/servercert.pem',
),
);
(where 'mail.myhost.com' is the actual name of my mailserver, as it appears in
the 'servercert.pem' file).
Trying to send from RoundCube produces a 220 Authentication Failed message. The
transcript in RoundCube's SMTP log looks like:
[21-Jul-2019 22:26:08 -0400]: <hlsmc7nr> Connecting to
tls://mail.myhost.com:587...
[21-Jul-2019 22:26:08 -0400]: <hlsmc7nr> Recv: 220 s6.myhost.net -
Welcome to Qmail Toaster Ver. 1.03-2.1.qt.el7 SMTP Server ESMTP
[21-Jul-2019 22:26:08 -0400]: <hlsmc7nr> Send: EHLO mail.myhost.com
[21-Jul-2019 22:26:08 -0400]: <hlsmc7nr> Recv: 250-s6.myhost.net -
Welcome to Qmail Toaster Ver. 1.03-2.1.qt.el7 SMTP Server
[21-Jul-2019 22:26:08 -0400]: <hlsmc7nr> Recv: 250-STARTTLS
[21-Jul-2019 22:26:08 -0400]: <hlsmc7nr> Recv: 250-PIPELINING
[21-Jul-2019 22:26:08 -0400]: <hlsmc7nr> Recv: 250-8BITMIME
[21-Jul-2019 22:26:08 -0400]: <hlsmc7nr> Recv: 250 SIZE 20971520
[21-Jul-2019 22:26:08 -0400]: <hlsmc7nr> Send: STARTTLS
[21-Jul-2019 22:26:08 -0400]: <hlsmc7nr> Recv: 220 ready for tls
[21-Jul-2019 22:26:08 -0400]: <hlsmc7nr> Send: RSET
[21-Jul-2019 22:27:08 -0400]: <hlsmc7nr> Send: QUIT
[21-Jul-2019 22:27:08 -0400]: <hlsmc7nr> Recv: 454 TLS connection
failed: error:140760FC:SSL routines:SSL23_GET_CLIENT_HELLO:unknown
protocol (#4.3.0)
3) Desktop client
Trying to send from a desktop client (PostBox) also fails, generating the
warning:
Could not verify this certificate because the issuer is unknown
The issuer in this case is actually Sectigo, which is the new name for Comodo,
who should be reasonably reputable.
The 'servercert.pem' file that I'm using is generated from the same '.key' and
'.crt' files that I use to secure the webserver, which appear to work fine in
that context.
Has anyone encountered this issue, or can suggest a possible fix?
Thanks for any help you can give me,
Angus
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