• Test connection:

telnet example.com 143  
openssl s_client -crlf -connect example.com:993
openssl s_client -connect example.com -tls1_2
nmap --script ssl-enum-ciphers -p 443 example.com

• On connection, type:

login email@example.com passwordgoeshere
list "" "*"
select INBOX
status INBOX (MESSAGES)
fetch 1 ALL
logout