when i start a sync job,it connected upstream IMAP server successfully.But failed to login on mailcow account.
the message is:
Host2: connecting and login on host2 [localhost] port [993] with user [xxx@xxx.com]
Host2 IP address: ::1
Host2 banner: * OK [CAPABILITY IMAP4rev1 SASL-IR LOGIN-REFERRALS ID ENABLE IDLE LITERAL+ AUTH=PLAIN AUTH=LOGIN] Dovecot ready.
Host2 capability before authentication: IMAP4rev1 SASL-IR LOGIN-REFERRALS ID ENABLE IDLE LITERAL+ AUTH=PLAIN AUTH=LOGIN AUTH
Host2: localhost says it has CAPABILITY for AUTHENTICATE LOGIN
Host2 info: authmech [LOGIN] user [xxx@xxx.com] authuser [] IsUnconnected []
Host2 failure: Error login on [localhost] with user [xxx@xxx.com] auth [LOGIN]: 2 NO [AUTHENTICATIONFAILED] Authentication failed.
Host2: failed login on [localhost] with user [xxx@xxx.com] auth [LOGIN]
++++ Listing 1 errors encountered during the sync ( avoid this listing with –noerrorsdump ).
Err 1/1: Host2 failure: Error login on [localhost] with user [xxx@xxx.com] auth [LOGIN]: 2 NO [AUTHENTICATIONFAILED] Authentication failed.
The most frequent error is ERR_AUTHENTICATION_FAILURE_USER2. Check the credentials for xxx@xxx.com.
Exiting with return value 162 (EXIT_AUTHENTICATION_FAILURE_USER2) 1/50 nb_errors/max_errors PID 73817
Disconnecting from host1 10.0.1.6 user1 xxx@xxx.com
No log file because of option –nolog