Try this
In toaster.conf add
service imap-login { service_count = 0 #client_limit =
$default_client_limit process_min_avail = 4 # number of CPU cores
vsz_limit = 1G}service pop3-login { service_count = 0}
and restart dovecot
From: https://wiki2.dovecot.org/LoginProcess
On Sat, Aug 31, 2019 at 11:47 AM Tahnan Al Anas <tah...@gmail.com> wrote:
> Hi Eric,
>
> Thanks for replying, I think issue is related with dovecot process limit.
> Can you tell me which file I need to modify to increase dovecot process
> limit? normally it should be present in dovecot.con file. I am attaching my
> dovecot file with this mail.
>
> master: Warning: service(imap-login): process_limit (100) reached, client
> connections are being dropped
> --
>
> Best Regards
> Muhammad Tahnan Al Anas
>
>
> On Sat, Aug 31, 2019 at 10:33 PM Eric Broch <ebroch.w...@gmail.com> wrote:
>
>> Tahnan,
>>
>> With stock qmail & dovecot I was able to login to squirrelmail with
>> password 'X' logout, change password in qmailadmin to password 'Y', and
>> login to squirrelmail with password 'Y'
>>
>> Then, to my preference,
>>
>> I changed /etc/dovecot/toaster.conf setting
>>
>> auth_mechanisms = plain login digest-md5 cram-md5
>>
>> to
>>
>> auth_mechanisms = plain login
>>
>> and changed /etc/squirrelmail/config_local.php setting
>>
>> $smtpServerAddress = 'localhost';
>> $smtpPort = 587;
>> $smtp_auth_mech = 'plain';
>> $imap_auth_mech = 'digest-md5';
>>
>> to
>>
>> $smtpServerAddress = 'localhost';
>> $smtpPort = 25;
>> $smtp_auth_mech = 'none';
>> $imap_auth_mech = 'login';
>>
>>
>>
>> Re-tested and all worked as it should and as you would like it to work.
>>
>> Send your dovecot (toaster.conf) and squirrelmail (config_local.php)
>> configs to my personal email and I'll have a look
>>
>> Eric
>>
>>
>>
>> On Sat, Aug 31, 2019 at 12:59 AM Tahnan Al Anas <tah...@gmail.com> wrote:
>>
>>> Hi Eric,
>>>
>>> I tried below settings but still I am getting the same error as below
>>>
>>> *ERROR:*
>>> Bad request: IMAP server does not appear to support the authentication
>>> method selected. Please contact your system administrator.
>>>
>>> After restarting dovecot, issue solve one time then again I get
>>> same error message after trying re login.
>>>
>>> Can help?
>>>
>>>
>>> On Thu, 18 Jul 2019, 02:52 Remo Mattei, <r...@mattei.org> wrote:
>>>
>>>> Here is mine
>>>>
>>>> auth_cache_size = 128M
>>>> auth_cache_ttl = 1 min
>>>> auth_cache_negative_ttl = 1 min
>>>>
>>>>
>>>>
>>>> On Jul 17, 2019, at 12:27, Tahnan Al Anas <tah...@gmail.com> wrote:
>>>>
>>>> Hi Eric,
>>>>
>>>> Can you suggest configuration which will not ask password after
>>>> changing it? Additionally I found some time some user using email cleint
>>>> software complain that password are promoting, after giving dovecot
>>>> restart, issue get fixed every time. any idea what can be the issue?
>>>>
>>>> --
>>>> --
>>>>
>>>> Best Regards
>>>> Muhammad Tahnan Al Anas
>>>>
>>>>
>>>> On Thu, Mar 28, 2019 at 7:31 PM Eric Broch <ebr...@whitehorsetc.com>
>>>> wrote:
>>>>
>>>>> Yes! There is a a setting in Dovecot that keeps passwords cached
>>>>>
>>>>> Have a look here. I can adjust dovecot install to fit your needs:
>>>>>
>>>>> https://wiki.dovecot.org/Authentication/Caching
>>>>> On 3/27/2019 11:08 PM, Tahnan Al Anas wrote:
>>>>>
>>>>> I am trying to modify user password via qmailadmin, after changing
>>>>> password, I can not log in webmail without restarting dovecot. May be
>>>>> dovecot is holding session of previous password. What should I check ?
>>>>>
>>>>>
>>>>> --
>>>>> --
>>>>>
>>>>> Best Regards
>>>>> Muhammad Tahnan Al Anas
>>>>>
>>>>> --
>>>>> Eric Broch
>>>>> White Horse Technical Consulting (WHTC)
>>>>>
>>>>>
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