i only added the last two since the first two are already configured , then i refreshed postfix and here is what i got from my maillog:
Jun 17 21:01:11 mail postfix/smtpd[6102]: warning: SASL authentication failure: no user in db
Jun 17 21:01:11 mail postfix/smtpd[6102]: warning: SASL authentication failure: no user in db
Jun 17 21:01:11 mail postfix/smtpd[6102]: warning: SASL authentication failure: no secret in database
Jun 17 21:01:11 mail postfix/smtpd[6102]: warning:
localhost.sample.com[
127.0.0.1]: SASL DIGEST-MD5 authentication failed: authentication failure
it is no longer sending messages. any suggestions?