Sergey

Speaking of multisession I mean user who logged from different devices or browsers with one jabber account. i.e. same bare JID with different resources That make this possible in my...

I think this problem is resolved in fork for your module: https://github.com/sdcr/ejabberd-mod-mam/commit/d7be032bf8153d093bbd02dc2812c2e51a9a3cc2 As I understand it you should not use `user_receive_packet` ejabberd hook because that save message after server route...