Something

Aug 28 10:04:59 ws9 postfix/smtpd[1205]: [ID 197553 mail.info] ctable_locate: install entry key user@foo.bar
Aug 28 10:04:59 ws9 postfix/smtpd[1205]: [ID 197553 mail.info] extract_addr: in: <user@foo.bar>, result: user@foo.bar
Aug 28 10:04:59 ws9 postfix/smtpd[1205]: [ID 197553 mail.info] >>> START Client host RESTRICTIONS <<<
Aug 28 10:04:59 ws9 postfix/smtpd[1205]: [ID 197553 mail.info] generic_checks: name=dbm:/etc/postfix/allowAccessList
Aug 28 10:04:59 ws9 postfix/smtpd[1205]: [ID 197553 mail.info] check_namadr_access: name unknown addr 202.141.x.x
Aug 28 10:04:59 ws9 postfix/smtpd[1205]: [ID 197553 mail.info] check_domain_access: unknown
Aug 28 10:04:59 ws9 postfix/smtpd[1205]: [ID 197553 mail.info] check_addr_access: 202.141.x.x
Aug 28 10:04:59 ws9 postfix/smtpd[1205]: [ID 197553 mail.info] generic_checks: name=check_client_access status=0
Aug 28 10:04:59 ws9 postfix/smtpd[1205]: [ID 197553 mail.info] generic_checks: name=reject
Aug 28 10:04:59 ws9 postfix/smtpd[1205]: [ID 197553 mail.info] NOQUEUE: reject: RCPT from unknown[202.141.x.x]: 554 5.7.1 <unknown[202.141.x.x]>: Client hos
t rejected: Access denied; from=<gchmkesq86@bar.baz> to=<user@foo.bar> proto=ESMTP helo=<mailblr.iisc.foo.bar>
Aug 28 10:04:59 ws9 postfix/smtpd[1205]: [ID 197553 mail.info] generic_checks: name=reject status=2