I am fresher in Linux command
In my log file, I have saved the content like that
2016-08-11 11:47:19 To: saravana@adodis.com ==> /var/log/testmail.php
2016-08-11 11:47:41 To: sathiyasaravanababu91@gmail.com ==> /var/sentora/hostdata/zadmin/public_html/hostingraja_info/testmail.php
2016-08-11 11:48:06 To: sathiyasaravanababu91@gmail.com ==> /var/sentora/hostdata/zadmin/public_html/hostingraja_info/testmail.php
sort mail_php.log | uniq -c
1 2016-08-11 11:47:19 To: saravana@adodis.com ==> /var/log/testmail.php
1 2016-08-11 11:47:41 To: sathiyasaravanababu91@gmail.com ==> /var/sentora/hostdata/zadmin/public_html/hostingraja_info/testmail.php
1 2016-08-11 11:48:06 To: sathiyasaravanababu91@gmail.com ==> /var/sentora/hostdata/zadmin/public_html/hostingraja_info/testmail.php
1 To: saravana@adodis.com ==> /var/log/testmail.php
2 To: sathiyasaravanababu91@gmail.com ==> /var/sentora/hostdata/zadmin/public_html/hostingraja_info/testmail.php
You can try this, its a basic step to start with:
awk '{print $3 " " $4 " " $5 " " $6}' mail_php.log | uniq -c