บล็อกอีเมลพนักงานไม่ให้ส่งเมลออกไปนอกบริษัท

สร้างไฟล์ header_checks /etc/postfix
-----------------------------------------------------------
/^To:.*domain\.co\.th/      OK
/^To:.*\.*/   REJECT You are not allowed to send mail outside the company.
/^Cc:.*domain\.co\.th/      OK
/^Cc:.*\.*/   REJECT You are not allowed to send mail outside the company.
/^Bcc:.*domain\.co\.th/     OK
/^Bcc:.*\.*/  REJECT You are not allowed to send mail outside the company.
-----------------------------------------------------------

#postmap /etc/postfix/header_checks
#vim /etc/postfix/main.cf

 เพิ่ม  header_checks = regexp:/etc/postfix/header_checks เข้าไปในไฟล์ main.cf

#/etc/init.d/postfix reload
#tail -f /var/log/mail.log   ดู Log mail

Postfix Autorespont

Howto set auto respont by Postfix

Reading ...

Scrip Map network drive on ubuntu

For ubuntu 10.xx - 12.04
//192.168.4.xx/market  /media/market  cifs    username=center,password=xxx001,iocharset=utf8,codepage=unicode,unicode       0       0

For ubuntu 12.04 Kernel 3.6.0
install packet smbfs
#aptitude install smbfs
edit #vim /etc/fstab
.
.
//192.168.4.xx/market  /media/market  cifs    username=center,password=xx001,iocharset=utf8,uid=1000,gid=1000       0       0

**uid=1000 check on /etc/passwd
**gid=1000 check on /etc/group

command map

#mount -o username=mxx,password=mxxx //192.168.xx.25/share folder /media/mail

Create file Credentails

1. Create Folder on Client
#mkdir /home/user/Sharefile

2. create file passwd credentail

#echo “username=samba_username” > /home/user/Sharefile/.smbcredentials
#echo “password=password_username” > /home/user/Sharefile/.smbcredentials
#chmod 600 /home/user/Sharefile/.smbcredentials

3. Edit file /etc/fstab
add new line

#//192.168.0.xx/downloads        /home/user/Sharefile       cifs    uid=1000,gid=1000,credentials=/home/user/Sharefile/.smbcredentials,defaults        0       0

4.Run mapdrive
#mount //192.168.0.xx/downloads
or
#mount -a

umount
#umount Sharefile


Ref.
techsuii.com

Setup Propdfd

how to setup propdfd

Reading digitalocean.com

การติดตั้ง Web Server (Apache+mysql+phpmyadmin)

อ่านจากเว็บไซต์นี้

www.howtoforge.com

การทำ DNS server Linux

อ่านวิธีการเซทที่เว็บไซต์นี้

help.ubuntu.com

on CentOS

dns-server-installation-step-by-step-using-centos-6-3