Most Australian email servers offer encryption

[1] According to survey of mail exchanges by Facebook, Australia offers more secure, encrypted transmission of messages.

[2] The survey was conducted by the Facebook’s mail integrity engineer Michael Adkins.

[3] SMTP STARTTLS is responsible for transporting layer of security command that sets encrypted message transmission.

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[Source] http://www.itnews.com.au/News/385386,most-australian-email-servers-offer-encryption.aspx