dovecot - Jan 2017 - could not receive mails from dovecot pop3

Hi Greetings. I have windows server2012R2  and
installed Hypervisor  I have installed Ubuntu 16.04 server
edition in Virtual machine(hyper-v 2012r2)
 Postfix and dovecot are running
 dovecot version :2.2.22 (fe789dz)
 Able to send mail is ok. mail received in /var/mail/%u
 could not receive mail from client Thunderbird.
 the only changed option is disable_plaintext_auth = no
 Never touched any other option. Ubuntu server ip :
192.168.1.250  (firewall in inactive)client ip : 192.168.1.1
(thunderbird is running in widows server (ip:192.168.1.1)let know how to save
the output of dovecot -n from Ubuntu server machineThunder bird settings
are: Thankyou.Baskaranand




-------------- next part --------------
A non-text attachment was scrubbed...
Name: d9f86.1485447522.12.web.rediffmail.com.png
Type: image/png
Size: 8258 bytes
Desc: not available
URL:
<http://dovecot.org/pipermail/dovecot/attachments/20170126/8ee4adb4/attachment-0002.png>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: 7f56a.1485447522.18.web.rediffmail.com.png
Type: image/png
Size: 8071 bytes
Desc: not available
URL:
<http://dovecot.org/pipermail/dovecot/attachments/20170126/8ee4adb4/attachment-0003.png>

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On Thu, 26 Jan 2017, baskar anand wrote:
> Hi Greetings. I have windows server2012R2  and
installed Hypervisor  I have installed Ubuntu 16.04 server
edition in Virtual machine(hyper-v 2012r2)
>  Postfix and dovecot are running
>  dovecot version :2.2.22 (fe789dz)
>  Able to send mail is ok. mail received in /var/mail/%u
>  could not receive mail from client Thunderbird.
>  the only changed option is disable_plaintext_auth = no
Are you sure, this option is in effect? Aka, did you've reload Dovecot 
and are you sure you edit the correct conf file?
>  Never touched any other option. Ubuntu server ip :
192.168.1.250  (firewall in inactive)client ip : 192.168.1.1
(thunderbird is running in widows server (ip:192.168.1.1)let know how to save
the output of dovecot -n from Ubuntu server machineThunder bird settings
are: Thankyou.Baskaranand
>
>
>
>
>
- -- 
Steffen Kaiser
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1

iQEVAwUBWIsH03z1H7kL/d9rAQJtmgf7BpyHrO2FDOzzLMkKXDcDzDqoy+yhTjoJ
UwYNBJ6chSI9Orr4okNb4/5KQCuv50IjLV4g84s9a0iQPXClG0lKuy5d1cJJkAxZ
Bx8Tfdx1suU+3xlqv2kAPZ8ukenD8K3HrnWrb+zvMCWth+F0LlFeQMIyAmakLsxY
Q+DYokHJ2G/OoJCG0WZecKEEHpH4oliRHHvA4tJLyUo04WIX1Yh34JZGXYtgTmw/
ahX6CFJvGBexitGjkqb765QmO4z+a/0VeB4Yub6VJEaQHJQBd942dmWabmhbn9qr
+AD2RiMVhftF53C2YVzdcm+wb/XLC4Pe2OD7LskAU3btkotdExZttQ==Qcbd
-----END PGP SIGNATURE-----