Curl supports a lot of crazy stuff that adds command line options, like IMAP/LDAP/POP3/SMTP means adding --login-options, --mail-auth, --mail-from, --mail-rcpt-

Curl supports a lot of crazy stuff that adds command line options, like IMAP/LDAP/POP3/SMTP means adding --login-options, --mail-auth, --mail-from, --mail-rcpt-allowfails, --mail-rcpt. If you read the man page, you'll find other flags that aren't really central to a http(s) fetch tool, like ftp, tftp.