How to get mail statistics from your postfix mail logs

How to get mail statistics from your postfix mail logs

Its an amazing tool and will provide you the following details

• Total number of:
  • Messages received, delivered, forwarded, deferred, bounced and rejected
  • Bytes in messages received and delivered
  • Sending and Recipient Hosts/Domains
  • Senders and Recipients
  • Optional SMTPD totals for number of connections, number of hosts/domains connecting, average connect time and total connect time
• Per-Day Traffic Summary (for multi-day logs)
• Per-Hour Traffic (daily average for multi-day logs)
• Optional Per-Hour and Per-Day SMTPD connection summaries
• Sorted in descending order:
  • Recipient Hosts/Domains by message count, including:
    • Number of messages sent to recipient host/domain
    • Number of bytes in messages
    • Number of defers
    • Average delivery delay
    • Maximum delivery delay
  • Sending Hosts/Domains by message and byte count
  • Optional Hosts/Domains SMTPD connection summary
  • Senders by message count
  • Recipients by message count
  • Senders by message size
  • Recipients by message size

  with an option to limit these reports to the top nn.

• A Semi-Detailed Summary of:
  • Messages deferred
  • Messages bounced
  • Messages rejected
• Summaries of warnings, fatal errors, and panics
• Summary of master daemon messages

Installation :-

Installation is very simple , just download the package and unzip

•  wget http://jimsun.linxnet.com/downloads/pflogsumm-1.1.5.tar.gz
•  tar -zxf pflogsumm-1.1.5.tar.gz
• chown root:root pflogsumm-1.1.5

Generate the statistics  :-

cat /var/log/maillog | ./pflogsumm.pl
( The above command will generate a detailed statistics as follows )

Grand Totals
————
messages

118 received
319 delivered
1 forwarded
6 deferred (1597 deferrals)
18 bounced
20 rejected (5%)
0 reject warnings
0 held
0 discarded (0%)

5452k bytes received
277987k bytes delivered
76 senders
49 sending hosts/domains
128 recipients
37 recipient hosts/domains

Per-Day Traffic Summary
date received delivered deferred bounced rejected
——————————————————————–
Jan 13 2018 51 251 476 14 9
Jan 14 2018 17 16 522 2 5
Jan 15 2018 43 45 527 2 6
Jan 16 2018 7 7 72

Per-Hour Traffic Daily Average
time received delivered deferred bounced rejected
——————————————————————–
0000-0100 0 1 19 0 0
0100-0200 1 1 13 0 0
0200-0300 1 1 13 0 0
0300-0400 1 1 19 0 0
0400-0500 1 1 14 0 0
0500-0600 0 0 7 0 0
0600-0700 1 1 13 0 0
0700-0800 1 1 13 0 0
0800-0900 0 0 7 0 0
0900-1000 2 2 14 0 1
1000-1100 5 51 32 3 0
1100-1200 1 1 33 0 0
1200-1300 1 4 14 0 0
1300-1400 2 2 20 0 0
1400-1500 2 2 20 0 0
1500-1600 4 4 14 0 0
1600-1700 1 1 20 0 0
1700-1800 2 2 20 0 1
1800-1900 1 2 14 1 0
1900-2000 1 1 13 0 2
2000-2100 1 1 19 0 0
2100-2200 1 1 19 0 0
2200-2300 1 1 13 0 0
2300-2400 1 1 19 0 1