Click here for "Error Codes for Commercial Air Conditioners".

MiracleLinux9 : Clamav( anti-virus ) , Mail Server

Clamav (anti-virus software)Install

1.Clamav install

2.Clam AntiVirus  Configuration File Edit

3.Virus definition file update settings

4.Virus definition file update
5.Clam AntiVirus start
6.Conducted virus scan
■Download a test virus and perform a virus scan
7.Deployment of virus scan auto-execution scripts
8.Virus scan exclusion directory settings
9.Scheduled virus scan execution

Mail Server Install

1. Postfix

1.1 Install
Install Postfix and build an SMTP server

Confirm Postfix is installed

1.2 Register Postfix to the service

1.3 Backup postfix configuration files, main.cf and master.cf files

1.4 Edit postfix configuration file
To prevent unauthorized mail relay, configure Postfix to require authentication for outgoing mail as well, using Dovecot's SASL function.

Allow SMTP port (port 25)

1.5 Start Postfix

2.Dovecot

2.1 dovecot install

2.2 Edit dovecot.conf file

2.3 Edit 10-auth.conf file

2.3 Edit 10-mail.conf file

2.4 Edit 10-master.conf file

2.5 Edit 10-ssl.conf file

2.6 Register dovecot as a service and start it

2.7 Allow POP/IMAP services in Firewalld Port Allow
POP is [110/TCP], IMAP is [143/TCP].

3.Create mail user and check operation

3.1 advance preparation
①new user
When a new user is added, set up the system to automatically send and receive e-mail.

②Existing users
Configure the already created users to be able to send and receive e-mail.
3.2 User Account Creation
3.3 operation check ①
①Log in as an email user and send a test email.
②Email Confirmation
3.4 operation check ②
Set up and confirm your account in Mozilla Thunderbird(For OS user huong as mail user)

①Start Thunderbird, and click "Tools", "Account Settings".

②「Account Actions」「Add Mail Account」

③Enter the following items
Your full name : Any name
Email addtess : "huong@korodes.com" arbitrary name added earlier
Password : Password for user huong
Click on "Configure manually"

④Set "INCOMMING SERVER" and "OUTGOING SERVER" as shown below and click "Re-test".

⑤"The following settings were found by probinfg the given server " display

After clicking "Done", the following "Warning" appears, but there is no problem, so click "Confirm".

⑥"Account syccessfuly created" is displayed, click "Finish

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