I have been using dovecot + apns (Appe Push Notification Service) for years but recently have run into problems: some devices do get a push notification, others do not. It seems devices are not added to pushnotify.pl's devices file. I don't know why.
Gerben Wierda (LinkedIn <https://www.linkedin.com/in/gerbenwierda>) R&A IT Strategy <https://ea.rna.nl/> (main site) Book: Chess and the Art of Enterprise Architecture <https://ea.rna.nl/the-book/> Book: Mastering ArchiMate <https://ea.rna.nl/the-book-edition-iii/>