students:~ [4289]# postqueue -p
-Queue ID- --Size-- ----Arrival Time---- -Sender/Recipient-------
207F67BCA*     5684 Tue Jan 30 06:24:48  suresh.undavalli@students.iiit.ac.in
                                         korea_miju@naver.com

F30D67A7D9    13921 Fri Jan 26 18:23:39  pg-bounces@lists.iiit.ac.in
                                         kshitij.nagar@students.iiit.ac.in

12B627BC9      5701 Tue Jan 30 06:56:54  suresh.undavalli@students.iiit.ac.in
     (connect to mail.marvel.com.hk[202.181.213.172]:25: Connection timed out)
                                         lcm.lam@marvel.com.hk

1D5C27BAE      5710 Tue Jan 30 07:19:28  suresh.undavalli@students.iiit.ac.in
(lost connection with bergerpaints.com[115.124.123.19] while receiving the initial server greeting)
                                         info@bergerpaints.com

28F043BF41     3890 Tue Jan 30 17:40:27  MAILER-DAEMON
       (connect to mx1.cl4mailer.com[203.123.51.193]:25: Connection timed out)
                                         sndr.20-20180129174744.662855021608_apollo2.cloud1.cl4mailer.com@cl4mailer.com

69C0D7BC8      7714 Tue Jan 30 23:00:32  MAILER-DAEMON
             (connect to codeforces.com[212.193.33.27]:25: Connection refused)
                                         Codeforces@codeforces.com

7903C7BCF      5773 Tue Jan 30 06:18:53  suresh.undavalli@students.iiit.ac.in
(Host or domain name not found. Name service error for name=cute-cd-dvd-burner.com type=MX: Host not found, try again)
                                         contact@cute-cd-dvd-burner.com