Help: I have the same issue, connection works with others but not with gmail. I can send but not receive; Ihave outgoing mail as smtp, and incoming mail is imap.gmail.com; I followed your suggestion but I cannot see step 3.
for step 1 I got
imap.gmail.com -> 74.125.193.108, 74.125.193.109
for step 2 I got
Ping has started…
PING gmail-imap.l.google.com (74.125.193.108): 56 data bytes
64 bytes from 74.125.193.108: icmp_seq=0 ttl=47 time=40.907 ms
64 bytes from 74.125.193.108: icmp_seq=1 ttl=47 time=42.818 ms
64 bytes from 74.125.193.108: icmp_seq=2 ttl=47 time=41.689 ms
64 bytes from 74.125.193.108: icmp_seq=3 ttl=47 time=41.093 ms
64 bytes from 74.125.193.108: icmp_seq=4 ttl=47 time=38.477 ms
64 bytes from 74.125.193.108: icmp_seq=5 ttl=47 time=38.383 ms
64 bytes from 74.125.193.108: icmp_seq=6 ttl=47 time=38.510 ms
64 bytes from 74.125.193.108: icmp_seq=7 ttl=47 time=38.158 ms
64 bytes from 74.125.193.108: icmp_seq=8 ttl=47 time=41.787 ms
64 bytes from 74.125.193.108: icmp_seq=9 ttl=47 time=41.636 ms
--- gmail-imap.l.google.com ping statistics ---
10 packets transmitted, 10 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 38.158/40.346/42.818/1.674 ms