Well, I did not expect that writing an after-queue filter for Postfix which could possibly mitigate an actual attack to postfix-users would be off-topic. However, so it is. Please excuse my ignorance, and I will leave the list. In case I decide to finish the project, I will publish it on my GitHub account.
Bets regards Rolf > Am 02.07.2018 um 10:55 schrieb Andreas Schamanek <scham...@fam.tuwien.ac.at>: > > > Hi Rolf, > > since it is off-topic for postfix-users, here is a link for you off-list that > I found interesting and relevant: > > https://blog.hboeck.de/archives/894-Efail-HTML-Mails-have-no-Security-Concept-and-are-to-blame.html > > -- > -- Andreas > > :-)