Ubuntu/Commands/Mail Server CLI/openssl

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Commands | dig | Mail Server CLI | openssl

Example

Connect to mail server - pop or imap

~$ openssl s_client -crlf -connect hostname:port
~$ openssl s_client -crlf -connect pop.gmail.com:25
 

Connect to smtp mail server

~$ openssl s_client -crlf -starttls smtp -connect hostname:post
~$ openssl s_client -crlf -starttls smtp -conect smtp.gmail.com:25
 

encode user/pass to base64

~$ echo -n "username" | openssl enc -base64
 

decode user/pass to base64

~$ echo "username" | openssl enc -base64 -d
 
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