Multiple relay configuration based on sender address with sendmail

One of the needs that came up was to be able to use separate relay configurations based on the sender email address, using sendmail. The problem is that sendmail is missing support for most parts of that sentence. At the end the solution involved a combination of sendmail, smarttable, procmail and msmtp The idea is …

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OpenVPN and remote-cert-tls server

This required a bit of digging into OpenVPN’s and OpenSSL’s code to figure out. The problem This error: Thu Sep 11 00:12:05 2014 Validating certificate key usage Thu Sep 11 00:12:05 2014 ++ Certificate has key usageĀ  00f8, expects 00a0 Thu Sep 11 00:12:05 2014 ++ Certificate has key usageĀ  00f8, expects 0088 The condition …

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