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Add option to enable tlsproxy #223

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Add option to enable tlsproxy #223

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6 changes: 6 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@ Feel free to pick your favourite distro.
- [`POSTFIX_message_size_limit`](#postfix_message_size_limit)
- [Overriding specific postfix settings](#overriding-specific-postfix-settings)
- [`SKIP_ROOT_SPOOL_CHOWN`](#skip_root_spool_chown)
- [`ENABLE_TLSPROXY`](#enable_tlsproxy)
- [`ANONYMIZE_EMAILS`](#anonymize_emails)
- [The `default` (`smart`) filter](#the-default-smart-filter)
- [The `paranoid` filter](#the-paranoid-filter)
Expand Down Expand Up @@ -384,6 +385,11 @@ want to set this option unless you're running into specific issues (e.g. [#97](h

If unsure, leave it as is.

#### `ENABLE_TLSPROXY`

Setting this to `true` will enable the `tlsproxy` in `/etc/postfix/master.cf`. You want to enable this, if you enable
[`smtp_tls_connection_reuse`](https://www.postfix.org/postconf.5.html#smtp_tls_connection_reuse).

#### `ANONYMIZE_EMAILS`

Anonymize email in Postfix logs. It mask the email content by putting `*` in the middle of the name and the domain.
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9 changes: 9 additions & 0 deletions scripts/common-run.sh
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Expand Up @@ -745,6 +745,15 @@ postfix_open_submission_port() {
sed -i -r -e 's/^#submission/submission/' /etc/postfix/master.cf
}

postfix_enable_tlsproxy() {
if [ ! -z "$ENABLE_TLSPROXY" ]; then
if [[ "${ENABLE_TLSPROXY}" == "true" ]]; then
info "Enabling tlsproxy."
sed -i -r -e 's/^#tlsproxy/tlsproxy/' /etc/postfix/master.cf
fi
fi
}

execute_post_init_scripts() {
if [ -d /docker-init.db/ ]; then
notice "Executing any found custom scripts..."
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1 change: 1 addition & 0 deletions scripts/run.sh
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Expand Up @@ -39,6 +39,7 @@ postfix_setup_smtpd_sasl_auth # Enable sender SASL auth, if defined
postfix_custom_commands # Apply custom postfix settings
opendkim_custom_commands # Apply custom OpenDKIM settings
postfix_open_submission_port # Enable the submission port
postfix_enable_tlsproxy # Optionally enable tlsproxy
execute_post_init_scripts # Execute any scripts found in /docker-init.db/
unset_sensitive_variables # Remove environment variables that contains sensitive values (secrets) that are read from conf files

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