67 lines
2.4 KiB
Markdown
67 lines
2.4 KiB
Markdown
# Building the image
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```sh
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docker build --rm -t postfix:latest .
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```
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# Running the image
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```sh
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docker run -it --rm --name test -p 25:25 -p 587:587 postfix:latest
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```
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# Environment variables
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These values are default and can be overriden by declaring environment variable with naother value.
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```sh
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# The text that follows the 220 status code in the SMTP greeting banner.
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POSTFIX_SMTP_BANNER="$myhostname ESMTP $mail_name ($mail_version)"
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# Enable submission running on port 587.
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POSTFIX_SUBMISSION_ENABLED="yes"
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# Enable standard non encrypted SMTP running on port 25.
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POSTFIX_SMTP_ENABLED="yes"
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# Enable SSL encrypted SMTPS running on port 465.
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POSTFIX_SMTPS_ENABLED="yes"
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# Opportunistic TLS: announce STARTTLS support to remote SMTP clients, but do not require that clients use TLS encryption.
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POSTFIX_SMTPD_USE_TLS="no"
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# When TLS encryption is optional in the Postfix SMTP server, do not announce or accept SASL authentication over unencrypted connections.
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POSTFIX_SMTPD_TLS_AUTH_ONLY="yes"
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# File with the Postfix SMTP server RSA certificate in PEM format.
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POSTFIX_SMTPD_TLS_CERT_FILE="/etc/ssl/certs/ssl-cert-snakeoil.pem"
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# File with the Postfix SMTP server RSA private key in PEM format.
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POSTFIX_SMTPD_TLS_KEY_FILE="/etc/ssl/private/ssl-cert-snakeoil.key"
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# The SMTP TLS security level for the Postfix SMTP server.
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POSTFIX_SMTPD_TLS_SECURITY_LEVEL="may"
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# Directory with PEM format Certification Authority certificates.
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POSTFIX_SMTP_TLS_CAPATH="/etc/ssl/certs"
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# The default SMTP TLS security level for the Postfix SMTP client.
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POSTFIX_SMTP_TLS_SECURITY_LEVEL="encrypt"
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# The internet hostname of this mail system.
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POSTFIX_MYHOSTNAME="$(hostname --fqdn)"
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# The internet hostname of this mail system.
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POSTFIX_MYDOMAIN="$(hostname --fqdn)"
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# The list of "trusted" remote SMTP clients that have more privileges than "strangers".
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POSTFIX_MYNETWORKS="127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 192.168.0.0/16 172.16.0.0/12 10.0.0.0/8"
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# The local network interface addresses that this mail system receives mail on.
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POSTFIX_INET_INTERFACES="all"
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# The Internet protocols Postfix will attempt to use when making or accepting connections.
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POSTFIX_INET_PROTOCOLS="all"
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# A list of Milter (mail filter) applications for new mail that arrives via the Postfix smtpd server.
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POSTFIX_SMTPD_MILTERS="opendkim:port"
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# A list of Milter (mail filter) applications for new mail that does not arrive via the Postfix smtpd server.
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POSTFIX_NON_SMTPD_MILTERS="opendkim:port"
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``` |