Is the current cert self signed or is it expired?

On 8/7/2018 10:30 PM, ChandranManikandan wrote:
Hi Friends,

Thank you for your support.

I have solved the Thunderbird issue in Ubuntu 18 version.

Just open the folder of imap and removed cert8.db and certoverride.txt then reconfigured the email. It was successfully configured with accept the confirm security exception message.

But am unable to configure in outlook 2016.
I have created new profile in outlook and tried also, the same issue is happening.

Outlook 2010 is working fine.

Hi Eric,

Do i need to reinstall the ssl certificate on COS6 32 bit as you given the url.
Can i follow the instruction to do that.
Because this is production server that's what worried.


On Tue, Aug 7, 2018 at 2:18 AM, Rodrigo Cortes <[email protected] <mailto:[email protected]>> wrote:

    Work fine in all modern devices and browser and a simple script
    can do the work for renew :)

    El El lun, 6 de ago. de 2018 a las 14:16, Remo Mattei
    <[email protected] <mailto:[email protected]>> escribió:

        The only thing I do not like about let’s encrypt is that every
        90 days my iPhone, was complaining about the cert.. etc.. so
        for 12 dollars 2years.. it’s all worth it.

        Remo

        On Aug 6, 2018, at 11:09, Rodrigo Cortes <[email protected]
        <mailto:[email protected]>> wrote:

        Hi!

        Use letenscrypt is free :)

        And work fine

        El El lun, 6 de ago. de 2018 a las 12:28, Remo Mattei
        <[email protected] <mailto:[email protected]>> escribió:

            https://www.ssls.com <https://www.ssls.com/>



            On Aug 6, 2018, at 09:26, Eric Broch
            <[email protected]
            <mailto:[email protected]>> wrote:

            Where'd you get this certificate?


            On 8/6/2018 8:46 AM, Remo Mattei wrote:
            I just bought a two year valid cert fro 11.98 or so
            less than $12



             *dal mio iPhone X*

            Il giorno 06 ago 2018, alle ore 07:20, Eric Broch
            <[email protected]
            <mailto:[email protected]>> ha scritto:

            A signed certificate (not self-signed) may be required
            by Outlook365. If you use LetsEncrypt it won't cost a
            thing. If I remember correctly Outlook for my tablet
            required a signed certificate.

            https://www.qmailtoaster.org/ssl.html
            <https://www.qmailtoaster.org/ssl.html>


            On 8/6/2018 2:12 AM, ChandranManikandan wrote:
            Hi Peter,

            We are using office 365 latest version 2016 and
            office 2010.
            Office 2010 is working perfect without any issue but
            the latest version outlook 2016 (Office 365) is
            having the problem.
            Even unable to configure the new IMAP email account.
            Am always getting this certificate warning message
            whenever opening outlook or configure outlook.
            Is it required? PFA warning message.

            My toaster config is below and cache config is in
            passdb in my toaster.conf. What would you advise it.


            # Settings for 'stock' qmail-toaster

            auth_cache_size = 32M
            #auth_mechanisms = plain login digest-md5 cram-md5
            auth_mechanisms = plain login digest-md5
            auth_username_format = %Lu
            first_valid_uid = 89
            #first_valid_gid = 89
            log_path = /var/log/dovecot.log
            login_greeting = Dovecot toaster ready.
            #mail_plugins = $mail_plugins quota
            plugin/quota = maildir
            protocols = imap
            ssl_cert = </var/qmail/control/servercert.pem
            ssl_key = </var/qmail/control/servercert.pem
            # the following will likely be the default at some point
            ssl_dh_parameters_length = 2048

            namespace {
              inbox = yes
            location =
            #  prefix =
               prefix = INBOX.
            # Use 'prefix = INBOX.' for Courier-IMAP compatible
            transparent migration.
            # This forces all client apps to create subfolders
            underneath/within
            # the inbox instead of adjacent to it. It's not
            necessary to be that way.
            # FWIW, shubes thinks this setting is
            annoying/rediculous/retarded.
            # As a practical example, having no prefix allows
            mobile users to select
            # which folders get synchronized. Otherwise their
            whole mailbox is
            # synchronized, and they have no way to choose which
            folders they want sync'd.
            separator = .
              type = private
            }

            passdb {
              args = cache_key=%u webmail=127.0.0.1
              driver = vpopmail
            }

            #protocol imap {
            # imap_client_workarounds = "delay-newmail"
            # mail_plugins = $mail_plugins imap_quota
            # mail_max_userip_connections = 500
            #}

            #protocol pop3 {
            # pop3_client_workarounds = outlook-no-nuls oe-ns-eoh
            # pop3_fast_size_lookups = yes
            # pop3_lock_session = yes
            # pop3_uidl_format = UID%u-%v
            #}

            userdb {
              args = cache_key=%u
            quota_template=quota_rule=*:backend=%q
              driver = vpopmail
            }

            plugin {
              quota = maildir:ignore=Trash
            quota_rule = ?:storage=0


            Hi Eric,

            I have tried to click Confirm security for store but
            no process happened. means the screen is idle it
            couldn't happened anything.
            All other systems are configured old thunderbird
            version in ubuntu and all showing the same message
            and able to store it.
            But the newer version unable to store it.




            On Mon, Aug 6, 2018 at 2:57 PM, Peter Peltonen
            <[email protected]
            <mailto:[email protected]>> wrote:

                Not sure if this relates to any of your problems:

                I had a few days ago problem with a Outlook 2016
                stopping receiving
                email suddenly.

                I chased this down to Outlook claming the server
                did not support the
                correct authentication method, which was strange
                as nothing had
                changed on the server side for a while. The same
                user's iPhone with
                the same username/password was working at the
                same time correctly.

                What I think it was Dovecot caching credentials
                somehow wrong:
                differet caching for iPhone and Outlook causing
                the problem. I solved
                it by changing

                cache_key=%u

                entries to

                cache_key=%u%r

                in /etc/dovecot/toaster.conf

                so Outlook connecting from different IP got
                cached differently than
                the iPhone. Don't know what will happen when they
                appear in the same
                WLAN though...

                Why did this not happen before, I don't know,
                perhaps Outlook has been
                updated and uses now some other auth by default
                than before?

                Not sure if this relates to your problem at all,
                as I am running
                pretty old Dovecot...

                Best,
                Peter

                On Mon, Aug 6, 2018 at 9:19 AM,
                ChandranManikandan <[email protected]
                <mailto:[email protected]>> wrote:
                > Hi Eric,
                >
                > Yes, we are using Ubuntu latest 64 bit version,
                > We tried to configure the imap email and we got
                the attached message and
                > couldn't configure it.
                >
                > Any one face the same issue.
                >
                > Please help me to resolve the issue.
                >
                > As well the same issue on Outlook 2016 unable
                to receive emails.
                >
                > Everything work well before but latest version
                having the issue.
                > Is it need to install any certificate on our
                server.
                >
                > Am using COS 6 32 bit , Qmailtoaster.
                >
                >
                >
                > On Mon, Aug 6, 2018 at 1:22 PM,
                ChandranManikandan <[email protected]
                <mailto:[email protected]>>
                > wrote:
                >>
                >> Hi Eric,
                >>
                >> Yes, we are using Ubuntu latest 64 bit version,
                >> We tried to configure the imap email and we
                got the attached message and
                >> couldn't configure it.
                >>
                >> Any one face the same issue.
                >>
                >> Please help me to resolve the issue.
                >>
                >> As well the same issue on Outlook 2016 unable
                to receive emails.
                >>
                >> Everything work well before but latest version
                having the issue.
                >> Is it need to install any certificate on our
                server.
                >>
                >> Am using COS 6 32 bit , Qmailtoaster.
                >>
                >>
                >>
                >> On Mon, Aug 6, 2018 at 5:59 AM, Eric Broch
                <[email protected]
                <mailto:[email protected]>>
                >> wrote:
                >>>
                >>>
                >>> Just an FYI.
                >>> If your client is using Ubuntu 18.04 there is
                an issue with the network
                >>> stopping on the local pc.
                >>> To test get your client to use the GUI
                network manager and disconnect
                >>> wait
                >>> a few seconds then reconnect.
                >>> We are chasing a similar issue now for a client.
                >>> To see if this is the issue either try
                pinging out of the network or
                >>> loading a web page.
                >>>
                >>> best wishes
                >>>  Tony White
                >>>
                >>> On 03/08/18 01:16, Eric Broch wrote:
                >>>
                >>> Can you check if the password for the account
                is saved in Thunderbird on
                >>> the Ubuntu desktop?
                >>>
                >>> In Thunderbird go to
                Tools->Options->Security->Saved Passwords
                >>>
                >>>
                >>> On 8/2/2018 4:52 AM, ChandranManikandan wrote:
                >>>
                >>> Hi Friends,
                >>>
                >>> One of our user getting disconnected
                frequently from thunderbird (Asking
                >>> passwords) and webmail also not opening.
                >>>
                >>> After restart the dovecot service it will
                working again.
                >>> But the password is asking frequently.
                >>> I have restarted the dovecot service frequently.
                >>>
                >>> This problem for only one user rest of other
                users not an issue.
                >>>
                >>> I couldn't trace the logs in /var/log/maillog
                and /var/log/dovecot.log
                >>>
                >>> Anyone face the same issue .
                >>>
                >>> Could anyone help me to resolve this issue.
                >>>
                >>> Note: User is using Ubuntu Desktop with
                Thunderbird.
                >>>
                >>> --
                >>> Thanks & Best Regards,
                >>> Manikandan.C
                >>>
                >>>
                >>> --
                >>> Eric Broch
                >>> White Horse Technical Consulting (WHTC)
                >>>
                >>>
                >>
                >>
                >>
                >> --
                >> Thanks & Best Regards,
                >> Manikandan.C
                >
                >
                >
                >
                > --
                > Thanks & Best Regards,
                > Manikandan.C
                >
                >
                
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-- */Thanks & Best Regards,
            Manikandan.C
            /*


            
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-- Eric Broch
            White Horse Technical Consulting (WHTC)

-- Eric Broch
            White Horse Technical Consulting (WHTC)





--
*/Thanks & Best Regards,
Manikandan.C
/*

--
Eric Broch
White Horse Technical Consulting (WHTC)

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