Custom Commands
http://www.trustfm.net/ebooks/DedicatedServer.php
Minimum eight characters, at least one uppercase letter, one lowercase letter and one number:
"^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)[a-zA-Z\d]{8,}$"
Password Restrictions
Minimum eight characters, at least one uppercase letter, one lowercase letter and one number:
Regular expressions passwords must match: "^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)[a-zA-Z\d]{8,}$"
Minimum eight characters, at least one letter and one number:
"^(?=.*[A-Za-z])(?=.*\d)[A-Za-z\d]{8,}$"
Minimum eight characters, at least one letter, one number and one special character:
"^(?=.*[A-Za-z])(?=.*\d)(?=.*[$@$!%*#?&])[A-Za-z\d$@$!%*#?&]{8,}$"
Minimum 8 and maximum 10 characters, at least one uppercase letter, one lowercase letter, one number and one special character:
"^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[$@$!%*?&])[A-Za-z\d$@$!%*?&]{8,10}"
Auto reply
/etc/usermin/forward/autoreply.pl /home/jashwanth/autoreply.txt u1
Admin in Users and Groups
perl /usr/local/pflogsumm/pflogsumm.pl -u 5 -h 5 -d today /var/log/maillog
Mail-Q
mailq|grep ^[A-F0-9]|cut -c 42-80|sort |uniq -c|sort -n|tail
Mail BOX size
du -h --max-depth=1 /home
du -h --max-depth=1 /home | grep G
Antivirus whitelist
File to edit: /etc/amavisd/whitelist
Command to run after saving: systemctl restart amavisd.service
OR
Mail reports Today
perl /usr/sbin/pflogsumm -d today /var/log/maillog
OR
perl /usr/local/pflogsumm/pflogsumm.pl -d today /var/log/maillog
Top 5 sender/receiver
perl /usr/sbin/pflogsumm -u 5 -h 5 -d today /var/log/maillog
File to edit: /etc/postfix/access
Command to run after saving: /usr/sbin/postmap /etc/postfix/access
Mail Forward
File to edit: /etc/postfix/virtual
Command to run after saving: /usr/sbin/postmap /etc/postfix/virtual
User Mail quota
repquota -as
Find Top 10 IP Addresses Accessing Your Apache Web Server
# awk '{ print $1}' access.log.2016-05-08 | sort | uniq -c | sort -nr | head -n 10
Eror LOG
egrep -r '(error|fatal|panic):' /var/log
Mail ERROR
egrep -r '(NOQUEUE|reject|deferred):' /var/log/maillog
SMTP - tracking spammer
grep -i "sasl_username" /var/log/maillog |awk {'print $9'}|sort|uniq -c|sort -n
Restricted Senders Mail - Only sent mail Locally
File to edit: /etc/postfix/restricted_senders
Command to run after saving: /usr/sbin/postmap /etc/postfix/restricted_senders
Restricted-mail-Groups/ID
File to edit: /etc/postfix/restricted-mail-groups
Command to run after saving: /usr/sbin/postmap /etc/postfix/restricted-mail-groups
Restricted-Allow-Mail IDs -
File to edit: /etc/postfix/allowed-users
Command to run after saving: /usr/sbin/postmap /etc/postfix/allowed-users
Users on the LAN
Mail/Domain------Allow/Deny
Auto Mail Forwarding(USERMIN)
“” Thanks for your email. We are closed till July 21, 2015 on occasion of Eid-ul-Fitar and will resume on July 22, 2015. We will get back thereafter .Thanks for your patience.””
Hi,
I will be on leave until 02nd June 2015. Apologies for any inconvenience caused. Kindly communicate with the below responsible.
The responsible are : Mr. Mohsin (General Manager)
Thank you for your email. I will be out of office from 14 April 2016 to 23 April 2016. During my absence, I will have limited access to mailing system.
If you are sending any urgent email, please copy the same to our Senior Manager Mr. Sk. Md. Tarikul Islam ACA at < smtarik@hodavasi.com > and/or our Mr. Oaliullah at oali@hodavasi.com for necessary action. I will respond to your mail once I return back to office on 24 April 2016, if not earlier.
Thank you & regards.
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TCP Wrappers