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Scanning Mail Servers

This chapter covers the following recipes:

Detecting SMTP open relays
Brute forcing SMTP passwords
Detecting suspicious SMTP servers
Enumerating SMTP usernames
Brute forcing IMAP passwords
Retrieving the capabilities of an IMAP server
Brute forcing POP3 passwords
Retrieving the capabilities of a POP3 server
Retrieving information from SMTP servers with NTLM authentication

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