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59 lines
1.4 KiB
Plaintext
59 lines
1.4 KiB
Plaintext
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https://www.digitalocean.com/community/tutorials/how-to-install-and-configure-postfix-as-a-send-only-smtp-server-on-debian-10
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https://www.makeuseof.com/postfix-mail-server-setup-on-debian/
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https://wiki.debian.org/Postfix
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sudo apt install mailutils
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sudo apt install postfix
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sudo apt remove sendmail
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# REBOOT & Check to see if Postfix is running
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sudo cat /var/log/mail.log
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sudo vim /etc/postfix/main.cf
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You should see:
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Trying 127.0.0.1...
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Connected to localhost.localdomain.
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Escape character is '^]'.
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220 server1.example.com ESMTP Postfix (Debian/GNU)
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Send an email to yourself:
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mail from:<you@youremail.com>
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rcpt to:<user@example.com>
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data
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To: user@example.com
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From: you@youremail.com
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Subject: Hey my first email
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This is my first email on debian postfix after installing configuring it.
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It was easy.
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To end data hit enter, type in a dot, and hit enter again:
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.
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Then
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quit
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# DNS
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host -t MX yourdomain.tld
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sudo vi /etc/postfix/main.cf:
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smtpd_recipient_restrictions = reject_invalid_hostname,
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reject_unknown_recipient_domain,
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reject_unauth_destination,
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reject_rbl_client sbl.spamhaus.org,
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permit
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smtpd_helo_restrictions = reject_invalid_helo_hostname,
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reject_non_fqdn_helo_hostname,
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reject_unknown_helo_hostname
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smtpd_client_restrictions = reject_rbl_client dnsbl.sorbs.net
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sudo dpkg-reconfigure postfix
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sudo postfix reload
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telnet localhost 25
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telnet localhost 25
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