Messages are sent twice sometimes via mail Ralf Hilgenstock - 2019年10月10日 星期四 15:14 回帖数：0 We found that in some cases messages are sent twice to users. It seems that this happens with group messages only. Has anybody an idea whats the reason and how to solve it?It was not possible to replicate the problem. 平均分： - 永久链接 回复