Hi Eric,

I think i already installed the certificate which was 512 and got expired
on the server.

Can i try to install the certificate which you advised and sent link
earlier.

I just want to make sure, the problem will not come after install this in
the production server.
Have you tried in COS6 32 and 64 bit server.
Because am running both the version in different server.



On Fri, Aug 10, 2018 at 2:03 PM, Eric Broch <ebr...@whitehorsetc.com> wrote:

> Office 365 my require a signed certificate from a Certificate Authority.
>
> On 8/9/2018 10:23 PM, ChandranManikandan wrote:
>
> Hi Eric,
>
> I think the certificate was expired and the date is in server -rw-r--r-- 1
> root   qmail  1.7K Mar 22  2013 servercert.pem
>
> I have checked the certificate validity in outlook while opening.
>
> FYR. PFA
>
> On Wed, Aug 8, 2018 at 9:58 PM, Eric Broch <ebr...@whitehorsetc.com>
> wrote:
>
>> 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 <rap...@gmail.com> 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 <r...@mattei.org>
>>> 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 <rap...@gmail.com> wrote:
>>>>
>>>> Hi!
>>>>
>>>> Use letenscrypt is free :)
>>>>
>>>> And work fine
>>>>
>>>> El El lun, 6 de ago. de 2018 a las 12:28, Remo Mattei <r...@mattei.org>
>>>> escribió:
>>>>
>>>>> https://www.ssls.com
>>>>>
>>>>>
>>>>>
>>>>> On Aug 6, 2018, at 09:26, Eric Broch <ebr...@whitehorsetc.com> 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 <
>>>>> ebr...@whitehorsetc.com> 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
>>>>>
>>>>> 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 <
>>>>> peter.pelto...@gmail.com> 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 <kand...@gmail.com>
>>>>>> 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 <
>>>>>> kand...@gmail.com>
>>>>>> > 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 <
>>>>>> ebr...@whitehorsetc.com>
>>>>>> >> 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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>>>>>> qmailtoaster.com
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>>>>>> aster.com
>>>>>>
>>>>>> ---------------------------------------------------------------------
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>>>>>> For additional commands, e-mail: qmailtoaster-list-help@qmailto
>>>>>> aster.com
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>>
>>>>>
>>>>> *Thanks & Best Regards, Manikandan.C *
>>>>>
>>>>>
>>>>> ---------------------------------------------------------------------
>>>>> To unsubscribe, e-mail: qmailtoaster-list-unsubscr...@qmailtoaster.com
>>>>> For additional commands, e-mail: qmailtoaster-list-h...@qmailtoaster.com
>>>>>
>>>>>
>>>>> --
>>>>> 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)
>>
>>
>
>
> --
>
>
> *Thanks & Best Regards, Manikandan.C *
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: qmailtoaster-list-unsubscr...@qmailtoaster.com
> For additional commands, e-mail: qmailtoaster-list-h...@qmailtoaster.com
>
>
> --
> Eric Broch
> White Horse Technical Consulting (WHTC)
>
>


-- 


*Thanks & Best Regards,Manikandan.C*

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