smtp.gmail.com not sent
smtp.gmail.com:465 not sent mail
How do I unblock port 465?
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5 Answers
telnet smtp.gmail.com 587
Trying 74.125.24.108...
Trying 74.125.24.109...
Trying 2404:6800:4003:c03::6c...
telnet: Unable to connect to remote host: Network is unreachable
Trying 74.125.24.108...
Trying 74.125.24.109...
Trying 2404:6800:4003:c03::6c...
telnet: Unable to connect to remote host: Network is unreachable
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openssl s_client -starttls smtp -crlf -connect smtp.gmail.com:587
Also check your firewalls, iptables etc.-
openssl s_client -starttls smtp -crlf -connect smtp.gmail.com:587
connect: Connection timed out
connect:errno=110
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sudo nmap -sS -p 20-2550 localhost
Starting Nmap 7.01 ( https://nmap.org ) at 2017-08-25 00:38 UTC
Nmap scan report for localhost (127.0.0.1)
Host is up (0.000017s latency).
Not shown: 2528 closed ports
PORT STATE SERVICE
22/tcp open ssh
25/tcp open smtp
80/tcp open http
Nmap done: 1 IP address (1 host up) scanned in 1.77 seconds
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telnet localhost 25
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
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