You can contact me via the methods listed below. These are ordered by preference (highest first). In general, I prefer Mail for first contact and after that, we could also use another service or messenger like Matrix.

Messenger Handle/Name/Address
Mail hello <at> em0lar.de PGP: here
Matrix @leo:labcode.de
Threema E2JZJUSE
Signal on demand
Telegram @em0lar
Mastodon/Fediverse @em0lar@chaos.social
Twitter @em0lar