|Again, from a terminal console, you entered:|
nmap -v -P0 -p 25 smtp.gmail.com
ORT STATE SERVICE
25/tcp filtered smtp
But you can ping smtp.gmail.com
Ok, so what's about the pop server of gmail?
There, port 110 should be open.
To check this, use this command from a terminal console:
nmap -v -P0 -p 110 pop.gmail.com
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