snpz wrote:
LDAP Error: Bind failed for dn=mail=user1@example.com,ou=Users,domainName=example.com,o=domains,dc=domain,dc=example,dc=com: Invalid credentials
"invalid credentials" always means incorrect bind dn or bind password. So please check them in your Roundcube config file. If you aren't quite sure what the root cause is, show us your address book related settings here to help troubleshoot.