I'll be teaching SMTP and TLS at @EuroBSDCon this September. Come say hello.
Of course, you understand that this is merely cover for a gelato expedition. The #eurobsdcon venue has a dozen decent shops within about a kilometer. Excellent planning on their part, obviously.
(While I've used "gelato shop proximity" as a standard for selecting conferences for decades, it was first documented in 2010. https://mwl.io/archives/379 )