Imap-login: Disconnected: Input buffer full URGENT PLEASE


Verified User
Please Helpppp...
It just dawned like that today.
No Webmail we can get in.
When you enter, you enter with error.

The following error is logged in the log:
Jul 12 16:47:59 robusto dovecot[1840]: imap-login: Disconnected: Input buffer full (no auth attempts in 0 secs): user=<>, rip=, lip=, secured, session=<PSsCMIGNRNh/AAAB>

VIDEO DEMO 2019-07-12 16-46-11.mp4

If anyone knows how to clean it, I'll pay to clean it.