You may find a simple guide for MailNow! 5 log/s as below:
Example:
2014-06-24 11:59:00 264 Info Transaction ended:
O:root@realmild.com.my,A:pop3@realmild.com.my,S:mail.realmild.com.my,T:0,I:0,OK:0,D:0
Explanation:
O: Owner
A: pop3 Account
S: pop3 server
T: Total number of emails on server
I: Number of email supposed to be downloaded
OK: Number of email Successfully Downloaded
D: Number of emails Duplicate and Dropped
Example:
2014-06-24 11:57:30 2261 Info New transaction started.
.\smtpqueue\radicare.com.my\LINf8698511-c7df-4334-b24f-5fa4c1c16e48.qjb,S:nur.suhana@radicare.com.my,R:(masitahh@radicare.com.my)
2014-06-24 11:57:31 2261 Info Transaction ended:
SC:1,F:0,B:0,OC:Completed
Explanation:
S = Sender
R = Recipient/s
SC = Number of Successful deliveries
F = Number of Failed Deliveries
B= Number of bounce backs
OC = Completion Status
Example:
X-MN-SPAM-DTL: spam=0, scr=15, ver=01.372.80 ,^A301-01 (15)
Explanation:
Spam=0: No spam detected
Spam=1 Spam
Spam=11 or spam=12: Infomail
Spam=6 Email is suspicious
Scr: The email's Scan Score
Ver: Antispam Version
^A301-01 (15): The reason of detection result (and the
Score)
SMTPQUEUE File Names starts with "EOU, LIN, EUN,
LUN" which means:
Example:
- EOU02d269f1-7991-4dce-bd08-bc7b1e444f00.dat
- EOU02d269f1-7991-4dce-bd08-bc7b1e444f00.qjb
Explanation:
.dat = Email's content
.qjb = some information about the email like how is the sender, who is the recipient/s and how the email is sending.
FYI: Both .dat and .qjb files belongs to one email.
EOU = External Mail
LIN = Internal Mail
EUN = External Undeliverable Mail
LUN = Internal Undeliverable Mail