telnet ile mail sunucusu kontrolu

#telnet paketi yüklenir.

apt-get install telnet

# 25. port testi

telnet uzak_sunucu 25

#TLS portu testi

openssl s_client -starttls smtp -crlf -connect uzak_sunucu:587

#SSL portu testi

openssl s_client -crlf -connect uzak_sunucu:465

 


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