Feb 14 18:38:07 bih postfix/smtpd[20221]: connect from fw.dormnet.his.se[193.10.185.3]
Feb 14 18:38:08 bih postfix/smtpd[20221]: warning: SASL authentication failure: no secret in database
Feb 14 18:38:08 bih postfix/smtpd[20221]: warning: fw.dormnet.his.se[193.10.185.3]: SASL NTLM authentication failed: authentication failure
Feb 14 18:38:08 bih postfix/smtpd[20221]: warning: SASL authentication failure: realm changed: authentication aborted
Feb 14 18:38:08 bih postfix/smtpd[20221]: warning: fw.dormnet.his.se[193.10.185.3]: SASL DIGEST-MD5 authentication failed: authentication failure
Feb 14 18:38:08 bih postfix/smtpd[20221]: lost connection after AUTH from fw.dormnet.his.se[193.10.185.3]
Feb 14 18:38:08 bih postfix/smtpd[20221]: disconnect from fw.dormnet.his.se[193.10.185.3]