I made this change - Jeff

On 9/2/2021 10:31 AM, Eric Broch wrote:

both have

auth_mechanisms = plain login

On 9/2/2021 8:29 AM, Eric Broch wrote:

I have a 2 QMT 7 servers and they both work with dovecot-2.3.11.3-12.qt.el7.x86_64


On 9/2/2021 7:55 AM, Jeff Koch wrote:
Hi Eric:

We'll try doing that but is this a problem with only our mailserver or all QMT 7 mailservers?

Jeff

On 9/2/2021 9:44 AM, Eric Broch wrote:

Next to the check when entering the settings there is a question mark circled to the left. Clicking that gives a menu with 'Collect Diagnostics' & 'Contact Support'

On 9/2/2021 7:42 AM, Eric Broch wrote:

When the popup indicates a connection issue I push 'support' button and error suggests a certificate issue. Two options appear at this point: 'Talk to Agent' & 'OK'. If you 'talk to an agent' you can do more advanced troublshooting like sending an Outlook error log file to them. You might try this.

Eric

On 9/2/2021 7:11 AM, Jeff Koch wrote:
I could be wrong but I think Outlook for Android must be very sensitive to the encryption ciphers being used and the SSL/TLS versions. We use Let's Encrypt certificates - I wonder if it's anything to do with that.

Jeff

On 9/2/2021 1:16 AM, Remo Mattei wrote:
I just found out to have the same issue from one of my client.

Il giorno 2 set 2021, alle ore 02:49, Eric Broch <ebr...@whitehorsetc.com> ha scritto:



Try this script (replace with relevant user, password, & host) from the command line of the server. It will yield what version of TLS you're running.

<script>

#!/bin/bash

function imapscript () {
echo "a login $1 $2"
echo 'a logout'
sleep 1
echo 'quit'
}

user=some...@mydomain.com
pass=***********
host=mail.mydomain.com

imapscript "$user" $pass  | openssl s_client -crlf -connect $host:993

</script>

On 9/1/2021 6:29 PM, Eric Broch wrote:
Does your web mail work?
On Sep 1, 2021, at 5:12 PM, Jeff Koch <jeffk...@intersessions.com <mailto:jeffk...@intersessions.com>> wrote:

    Neither IMAP or IMAPS will connect - Jeff

    On 9/1/2021 6:16 PM, Eric Broch wrote:

    What protocol, IMAP, IMAPS, SMTPS...?

    On 9/1/2021 2:36 PM, Jeff Koch wrote:

    We have a customer trying to connect to his
    qmail-toaster email account using the MicroSoft Outlook
    app on an Android phone. He keeps getting bounced off
    with the message 'can't connect to server' or 'can't
    login'.  I did some research on the MS forums and
    apparently this Outlook app only connects with SSL (no
    STARTTLS) and TLS 1.2 or higher.  If the mailserver
    tries anything else first the connection is dropped.

    Is there any known work-around or configuration
    adjustment needed to get this Android Outlook app to
    work with the toaster.

    We're running qmail-1.03-2.2.qt.cdb.el7.x86_64.rpm

    Thanks, Jeff




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