When i sent mail from gmail ...the log is

tail -f /var/log/maillog


ot: imap-login: Disconnected: rip=::ffff:192.168.1.4, lip=::ffff:192.168.1.5
Jan 15 15:54:25 mail dovecot: pop3-login: Disconnected: rip=::ffff:192.168.1.4, lip=::ffff:192.168.1.5
Jan 15 15:54:34 mail postfix/smtpd[5487]: connect from unknown[192.168.1.4]
Jan 15 15:54:34 mail postfix/smtpd[5487]: lost connection after EHLO from unknown[192.168.1.4]
Jan 15 15:54:34 mail postfix/smtpd[5487]: disconnect from unknown[192.168.1.4]
Jan 15 15:54:36 mail postfix/qmgr[5485]: 2335A6FFAD0: from=<test@solex.com.pk>, size=2153, nrcpt=1 (queue active)
Jan 15 15:54:36 mail postfix/smtp[5697]: connect to 127.0.0.1[127.0.0.1]: Connection refused (port 10024)
Jan 15 15:54:36 mail postfix/smtp[5697]: 2335A6FFAD0: to=<test@solex.com.pk>, relay=none, delay=4788, delays=4788/0.01/0/0, dsn=4.4.1, status=deferred (connect to 127.0.0.1[127.0.0.1]: Connection refused)
Jan 15 15:54:44 mail postfix/smtpd[5520]: connect from ey-out-2122.google.com[74.125.78.26]
Jan 15 15:54:45 mail dovecot: pop3-login: Disconnected: rip=::ffff:192.168.1.47, lip=::ffff:192.168.1.5
Jan 15 15:54:45 mail postfix/smtpd[5487]: connect from unknown[192.168.1.47]
Jan 15 15:54:45 mail postfix/smtpd[5487]: disconnect from unknown[192.168.1.47]
Jan 15 15:54:46 mail postfix/smtpd[5520]: 1BF196FFCB1: client=ey-out-2122.google.com[74.125.78.26]
Jan 15 15:54:47 mail postfix/cleanup[5702]: 1BF196FFCB1: message-id=<b167e9910901150251r788e1bc3id2f5024004c3fda5@mail.gmail.com>
Jan 15 15:54:47 mail postfix/qmgr[5485]: 1BF196FFCB1: from=<farrukhndm@gmail.com>, size=2547, nrcpt=1 (queue active)
Jan 15 15:54:47 mail postfix/local[5704]: 1BF196FFCB1: to=<test@solex.com.pk>, relay=local, delay=1.4, delays=1.4/0.01/0/0, dsn=2.0.0, status=sent (delivered to maildir)
Jan 15 15:54:47 mail postfix/qmgr[5485]: 1BF196FFCB1: removed

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But unable to get mails. please guide... thanks..

You haven't shown any dovecot errors in your log. Can you make sure you post relevant entries only pls

connect to 127.0.0.1[127.0.0.1]: Connection refused (port 10024)
you probably have something like below your /etc/postfix/master.cf
127.0.0.1:10024 inet n - n - - smtpd

looks like its trying to deliver the mail there but nothing to pick it up, are you, or intend to, running something like amavisd????

if so make sure its installed and running. if you using antivirus it usually works like this.

postfix delivers to amavisd on port 10024
the antivirus checks it and delivers back to postfix on port 10025
postfix delivers it then to dovecot