Hello, we have a problem with acymiling and bounce handling.
When we configure the imap in bounce handling with ionos:
Server
imap.ionos.es
Port
993
Connection method
IMAP
Safe method
SSL
Self-signed certificate
Username
(MAIL)
Password
Connection time (seconds)
10
Maximum number of emails
100
Enable auto bounce handling
Frequency
6
Hours
Last time executed
2024-07-18 04:13
Next runtime
2024-07-18 10:13
Report
Retrying PLAIN authentication after authentication failedRetrying PLAIN authentication after authentication failedCan not authenticate to IMAP server: authentication failed
An error bounces back to our email
SMTP error from remote server for TEXT command, host: mx3.qq.com reason: 550 Mailbox unavailable or access denied . https://se
rvice.mail.qq.com/detail/0/166.
We don't know how to fix it - can you find a solution?
The version we have of ACYMAILING is AcyMailing Enterprise
6.18.3