SMTP Smuggling

Posted on Sat 23 December 2023 in Security • Tagged with Postfix, Mail, Security, IT-Security

On 2023-12-18, the SEC Consult team published a security issue affecting many SMTP implementations. The problem results in some attack vectors bypassing important antispam/antispoofing mechanisms. This can cause major problems as mails can be injected into the mail flow that appear to come from a valid trusted source.

It …

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GPGMail for Mac

Posted on Wed 20 April 2011 in Mac • Tagged with GPG, GPGMail, Mail

In some cases I like to add a signature to an email or encrypt it to be sure the information is only useful for the person I am sending the email to.

On my Mac I'm using Mail with GPGMail to handle all my encryption stuff with email. The index …

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