Hi Eric,

Thank you, Let me try it and update here.

On Tue, Aug 14, 2018 at 10:54 AM, Eric Broch <ebr...@whitehorsetc.com>
wrote:

> I've installed certificates on both CentOS 6 & 7 using GoDaddy and
> LetsEncrypt.
>
> On 8/12/2018 9:12 PM, ChandranManikandan wrote:
>
> 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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>>>>>>> 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 *
>
>
> --
> Eric Broch
> White Horse Technical Consulting (WHTC)
>
>


-- 


*Thanks & Best Regards,Manikandan.C*

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