Jawaban:

1. Install postfix

perintahnya: Sudo apt-get install postfix

2. konfigutasi postfix

Pilihan konfigurasi yang disediakan akan berhubungan dengan kapabilitas server email yang akan dibuat, pilih lah internet site.

3. Isi nama domain

4. Tahan konfigurasi:

Buka file /etc/postfix/main.cf :

nano /etc/postfix/main.cf

5. ubah konfigurasi pada myhostname

caranya dengan nama host yang digunakan

6. Konfigurasi otentikasi SSAL

caranya:

ome_mailbox = Maildir/

smtpd_sasl_type = dovecot

smtpd_sasl_path = private/auth

smtpd_sasl_local_domain = nama domain

smtpd_sasl_security_options = noanonymous

broken_sasl_auth_clients = yes

smtpd_sasl_auth_enable = yes

smtpd_recipient_restrictions =

permit_sasl_authenticated,permit_mynetworks,reject_unauth_destination

smtp_tls_security_level = may

smtpd_tls_security_level = may

smtp_tls_note_starttls_offer = yes

smtpd_tls_loglevel = 1

smtpd_tls_received_header = yes

7. Membuat sertifikat digital

caranya:

openssl genrsa -des3 -out server.key 2048

openssl rsa -in server.key -out server.key.insecure

mv server.key server.key.secure

mv server.key.insecure server.key

openssl req -new -key server.key -out server.csr

openssl x509 -req -days 365 -in server.csr -signkey server.key -out

server.crt

sudo cp server.crt /etc/ssl/certs

sudo cp server.key /etc/ssl/private

8. Melanjutkan command openssl req -new -key server.key -out server.csr

caranya:

Country name : ID

State or province name : Jakarta Timur

Locality name : Jakarta

Organization name : smk

Organizational unit name : mail server

Common name : univ

Email address : [email protected]

A challenge password : password

An optional company name : univ

9. Konfigurasi sertifikat path

caranya:

sudo postconf -e 'smtpd_tls_key_file = /etc/ssl/private/server.key'

sudo postconf -e 'smtpd_tls_cert_file = /etc/ssl/certs/server.crt'

Penjelasan:

semoga membantu