*** ENVELOPE RECORDS deferred/C/CEEFE416EAB5 ***
message_size:             375             253               1               0             375
message_arrival_time: Thu Dec  6 13:32:19 2018
create_time: Thu Dec  6 13:33:48 2018
named_attribute: rewrite_context=local
sender_fullname: root
sender: [email protected]
original_recipient: [email protected]
recipient: [email protected]
*** MESSAGE CONTENTS deferred/C/CEEFE416EAB5 ***
Received: by localhost.localdomain (Postfix, from userid 0)
    id CEEFE416EAB5; Thu,  6 Dec 2018 13:33:48 +0900 (JST)
From:[email protected]
To:[email protected]
Subject:TestMail_Postfix
Message-Id: <[email protected]>
Date: Thu,  6 Dec 2018 13:32:19 +0900 (JST)

Sending Testmail to testmailreciever001

*** HEADER EXTRACTED deferred/C/CEEFE416EAB5 ***
*** MESSAGE FILE END deferred/C/CEEFE416EAB5 ***

OUTPUT FORMAT:
QUEUE ID         SUBJECT              RECIPIENT

EXPECTED OUTPUT:
CEEFE416EAB5     TestMail_Postfix     [email protected]

CEEFE416EAB5 TestMail_Postfix [email protected]

function grepdata
{
    postcat -q $1 | grep '^Subject:'
    postcat -q $1 | grep '^recipient:'
}
grepdata $1