Josep M. Queralt wrote: jmqueralt> jmqueralt> Tiene que estar en NO. Me autocorrijo. Debe ser yes Quien debe ser NO es: smtp_sasl_auth_enable = yes smtp_sasl_auth_enable = no señores he corregido con los datos que me enviarion , y me sigue dando este error , en sasl_pass , tengo los usuarios con sus respectivas contraseñas , aqui les dejo el error , boy a seguir buscandoerror :warning: unknown[192.168.1.2]: SASL LOGIN authentication failedOct 17 10:13:12 gnu postfix/smtpd[7551]: warning: SASL authentication failure: no secret in databaseOct 17 10:13:12 gnu postfix/smtpd[7551]: warning: unknown[192.168.1.2]: SASL CRAM-MD5 authentication failed DEBUG: auth_pam: pam_authenticate failed: Authentication failureOct 17 10:03:29 gnu saslauthd[6737]: do_auth : auth failure: [user=rgutierrez] [service=smtp] [realm=gnu.wcg.net] [mech=pam] [reason=PAM auth error]Oct 17 10:03:41 gnu PAM-warn[6735]: function=[pam_sm_authenticate] service=[smtp] terminal=[<unknown>] user=[rgutierrez] ruser=[<unknown>] rhost=[<unknown>]Oct 17 10:03:41 gnu saslauthd[6735]: DEBUG: auth_pam: pam_authenticate failed: Authentication failureOct 17 10:03:41 gnu saslauthd[6735]: do_auth : auth failure: [user=rgutierrez] [service=smtp] [realm=gnu.wcg.net]