Testing MTA: Difference between revisions

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Line 8: Line 8:
  echo -ne '\0'''USERNMAE'''\0'''PASSWORD'''' | base64
  echo -ne '\0'''USERNMAE'''\0'''PASSWORD'''' | base64
  '''XYZ== '''
  '''XYZ== '''
root@vm-auto:~# openssl s_client -connect relayhost.example.com:25 -starttls smtp
#-OR-
root@vm-auto:~# openssl s_client -connect relayhost.example.com:587 -starttls smtp
*Login Port 25/583
*Login Port 25/583
  root@vm-auto:~# openssl s_client -connect mail.mailtower.de:'''25''' -starttls smtp
  root@vm-auto:~# openssl s_client -connect mail.mailtower.de:'''25''' -starttls smtp

Revision as of 18:10, 16 August 2021

Imap Test

  • Encrypted login
openssl s_client -crlf -connect mail.server.com:993
a1 LOGIN username password

SMTP Test

  • Get logon credentilas
echo -ne '\0USERNMAE\0PASSWORD' | base64
XYZ== 
  • Login Port 25/583
root@vm-auto:~# openssl s_client -connect mail.mailtower.de:25 -starttls smtp
#-OR-
root@vm-auto:~# openssl s_client -connect mail.mailtower.de:583 -starttls smtp
  • Authenticate
AUTH PLAIN XYZ==
235 2.0.0 OK Authenticated