Marcel Fox MarcelFox

## 01_postfix_installer.md

      
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                MarcelFox
                / 01_postfix_installer.md
            
            
              Last active
              January 2, 2025 15:53
                — forked from solusipse/01_postfix_installer.md
            
              
                Postfix + Dovecot + Postgresql + Postfixadmin + Roundcube + Opendkim
              
          
    Postfix Installer

Following script may be used for configuring complete and secure email server on fresh install of Debian 9. It will probably work on other distributions using apt-get. After minor changes you'll be able to use it on other Linux distros.
What it does?

02_postfix.sh:


Install Postfix and configure it with TLS support.
Install Dovecot and configure it's transport on Postfix.
Download, extract and correct permissions for Postfixadmin.
Download, extract and correct permissions for Roundcube.


## check_conn.sh
#!/bin/bash

status_conn=$(wget -q --spider http://google.com && echo 0 || echo 1)

	if [ $status_conn -eq 1  ]
	then
	    printf "\n \e[36m Your Internet is pretty much dead!\n  Check your networks...\e[0m\n\n";
	elif [ $status_conn -eq 0 ]
	then
	    external=$(dig +short myip.opendns.com @resolver1.opendns.com);

## passgen.py
import os, random, string

length = 10
chars = string.ascii_letters + string.digits + '!@#$%^&*()'
o_chars = '!@#$%^&*()'
random.seed = (os.urandom(1024))

print (random.choice(o_chars) + ''.join(random.choice(chars) for i in range(length)) + random.choice(o_chars))

## .emacs
;; inhibit-startup-echo-area-message MUST be set to a hardcoded
;; string of your login name

;; Disable slash screen:
(setq inhibit-splash-screen t)

;; Set global text-mode and activate auto-fill:
(setq-default major-mode 'text-mode)
(setq-default auto-fill-function 'do-auto-fill)

## format_flash_disk.sh
#!/bin/bash

# It formats interactively your last_attached flash_disk.
#
#     WARNING: It's under construction, this is the first working script
#     There may be issues and improvements to be made. Any help will be appreciated.
#
# By MarcelFox

last_flash_disk=$(sudo dmesg -T | grep removable | tail -n1 | awk '{print $8"1"}' | sed 's/\[//g; s/\]//g')

## agenda.sh
function agenda() {
    DIR_PATH="$HOME/.agenda"
    if [ ! -d $DIR_PATH ]; then
        mkdir $DIR_PATH
    fi

    if [ -z "$1" ]
    then
        if [ ! -f "$DIR_PATH/agenda.txt" ];
          then

## list_inodes.sh
#!/bin/bash

echo -e "\nLista de Inodes do diretório: $(pwd)\n\n" ; for d in `find -maxdepth 1 -type d |cut -d\/ -f2 |grep -xv . |sort`; do c=$(find $d |wc -l) ; echo -e "$c\t\t- $d"; done | sort -nr ;echo -e "\nTotal: \t\t$(find $(pwd) | wc -l)"

## cp_testmail.sh
#!/bin/bash
#
# Name: cp_testmail
# Version: 1.3.2
# By MarcelFox
#
#	HOW TO WORK WITH?
# 	As 'root' and in a cPanel server run:
#	  bash <(curl -ks http://bashdump.cf/cp_testmail.sh)
#

## dns_cpmail.sh
#!/bin/bash
#
# Name: dns_cpmail
# Version: 1.0
# By MarcelFox
#
#	HOW TO WORK WITH?
# 	As 'root' and in a cPanel server run:
#	  bash dns_cpmail.sh
#

## setup-mailserver-1.sh
#!/bin/bash
# blog: https://sysadmins.co.za/mail-server-virtual-users-mysql-postfixadmin-on-centos/

# dependencies
yum update -y
yum --enablerepo=centosplus install postfix mailx mutt -y
yum install dovecot mysql-server dovecot-mysql cyrus-sasl cyrus-sasl-devel -y

# mysql configuration
chkconfig mysqld on
	#!/bin/bash

	status_conn=$(wget -q --spider http://google.com && echo 0 \|\| echo 1)

	if [ $status_conn -eq 1 ]
	then
	printf "\n \e[36m Your Internet is pretty much dead!\n Check your networks...\e[0m\n\n";
	elif [ $status_conn -eq 0 ]
	then
	external=$(dig +short myip.opendns.com @resolver1.opendns.com);
	import os, random, string

	length = 10
	chars = string.ascii_letters + string.digits + '!@#$%^&*()'
	o_chars = '!@#$%^&*()'
	random.seed = (os.urandom(1024))

	print (random.choice(o_chars) + ''.join(random.choice(chars) for i in range(length)) + random.choice(o_chars))
	;; inhibit-startup-echo-area-message MUST be set to a hardcoded
	;; string of your login name

	;; Disable slash screen:
	(setq inhibit-splash-screen t)

	;; Set global text-mode and activate auto-fill:
	(setq-default major-mode 'text-mode)
	(setq-default auto-fill-function 'do-auto-fill)
	#!/bin/bash

	# It formats interactively your last_attached flash_disk.
	#
	# WARNING: It's under construction, this is the first working script
	# There may be issues and improvements to be made. Any help will be appreciated.
	#
	# By MarcelFox

	last_flash_disk=$(sudo dmesg -T \| grep removable \| tail -n1 \| awk '{print $8"1"}' \| sed 's/\[//g; s/\]//g')
	function agenda() {
	DIR_PATH="$HOME/.agenda"
	if [ ! -d $DIR_PATH ]; then
	mkdir $DIR_PATH
	fi

	if [ -z "$1" ]
	then
	if [ ! -f "$DIR_PATH/agenda.txt" ];
	then
	#!/bin/bash

	echo -e "\nLista de Inodes do diretório: $(pwd)\n\n" ; for d in `find -maxdepth 1 -type d \|cut -d\/ -f2 \|grep -xv . \|sort`; do c=$(find $d \|wc -l) ; echo -e "$c\t\t- $d"; done \| sort -nr ;echo -e "\nTotal: \t\t$(find $(pwd) \| wc -l)"
	#!/bin/bash
	#
	# Name: cp_testmail
	# Version: 1.3.2
	# By MarcelFox
	#
	# HOW TO WORK WITH?
	# As 'root' and in a cPanel server run:
	# bash <(curl -ks http://bashdump.cf/cp_testmail.sh)
	#
	#!/bin/bash
	#
	# Name: dns_cpmail
	# Version: 1.0
	# By MarcelFox
	#
	# HOW TO WORK WITH?
	# As 'root' and in a cPanel server run:
	# bash dns_cpmail.sh
	#
	#!/bin/bash
	# blog: https://sysadmins.co.za/mail-server-virtual-users-mysql-postfixadmin-on-centos/

	# dependencies
	yum update -y
	yum --enablerepo=centosplus install postfix mailx mutt -y
	yum install dovecot mysql-server dovecot-mysql cyrus-sasl cyrus-sasl-devel -y

	# mysql configuration
	chkconfig mysqld on