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SMTP Smuggling Status
«SMTP Smuggling» is a vulnerability that allows to circumvent some mail checks at the receiver and therefore will allow additional spam and/or phishing messages through. Here is the list of what we currently know.
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Disable client certificate requests for Cyrus IMAP
Cyrus IMAPd always asks for a client certificate. This can be unnerving for users running Thunderbird as their mail client which have a user certificate installed and are thus always asked whether they want to send it. (There is no way to tell Thunderbird not to send a client certificate, you can only select which…