* Change tag convention and allow multiple registries
* Add ghcr username secret
* Introduce repository secrets
Again, use-case being forks not having to change these values in the YAML.
* Update image tag according to convention
* Add available sources and tag convention
* first migration steps
* altered issue templates
* altered README
* removed .travis.yml
* adjusting registry & repository, Dockerfile and compose.env
* Close stale issues automatically
* Integrated CI with Github Actions (#3)
* feat: integrated ci with github actions
* fix: use secrets for docker org and update image
* docs: clarify why we use -t if no tty exists
* fix: correct remaining references to old repo
chore: prettier automatically updated markdown as well
* fix: hardcode docker org
* change testing image to just testing
* ci: add armv7 as a supported platform
* finished migration steps
* corrected linting in build-push action
* corrected linting in build-push action (2)
* minor preps for PR
* correcting push on pull request and minor details
* adjusted workflows to adhere closer to @wernerfred's diagram
* minor patches
* adjusting Dockerfile's installation of base packages
* adjusting schedule for stale issue action
* reverting license text
* improving CONTRIBUTING.md PR text
* Update CONTRIBUTING.md
* a bigger patch at the end
* moved all scripts into one directory under target/scripts/
* moved the quota-warning.sh script into target/scripts/ and removed empty directory /target/dovecot/scripts
* minor fixes here and there
* adjusted workflows for use a fully qualified name (i.e. docker.io/...)
* improved on the Dockerfile layer count
* corrected local tests - now they (actually) work (fine)!
* corrected start-mailserver.sh to make use of defaults consistently
* removed very old, deprecated variables (actually only one)
* various smaller improvements in the end
* last commit before merging #6
* rearranging variables to use alphabetic order
Co-authored-by: casperklein <casperklein@users.noreply.github.com>
Co-authored-by: Nick Pappas <radicand@users.noreply.github.com>
Co-authored-by: William Desportes <williamdes@wdes.fr>
* added option to use non-default network-interface (#1227)
* minor (stylistic) changes
* properly working with Bash arrays for CONTAINER_NETWORKS
* cleanup to trigger rebuild
* added CODE_OF_CONDUCT to trigger rebuild
* major refactoring for setup.sh (#1590)
* `set -u` stopped dkim generation from defaulting
* changed to bash and implemented simple error logging
* fixed $VOLUME not being set and refactored README as well due to markdownlint showing (valid) complaints
* setup.sh more consistent with braces, return codes, un-setting of variables and error reports and (importantly) test
These are a couple of things that work but got me losing lots of hours. Let me add them to README:
1. Fix#1330 explaining that plus addressing works out of the box.
2. Explain that DEFAULT_RELAY_HOST will fail to authenticate with RELAY_USER and RELAY_PASSWORD if you forgot the brackets.
@Tecnativa TT20505
This will allow to forward safely any email from any host, no matter how strict their SPF policy is, by setting `SRS_SENDER_CLASSES=envelope_sender,header_sender`.
@Tecnativa TT20505
* Added DEFAULT_RELAY_HOST setting
* If set this value will be used as the relayhost in /etc/postfix/maincf causing all mail to be delivered using this relay host
* Test for default relay host setting
* Modified start-mailserver.sh with two new options for SSL certificate Configuration ():
+ ‘’ (empty string) modifies dovecot configs to allow plain text access
+ * (default) does nothing but warn with message ‘SSL configured by default’
* Updated README.md:
SSL_TYPE environment variable with unknown value will set SSL by default
* Describe format for .env in README
* Display used domain and hostname even when they are not acceptable
This should be clearer for the user when the hostname was set incorrectly.
* added LDAP_QUERY_FILTER_DOMAIN env
* updated docs for LDAP_QUERY_FILTER_DOMAIN env
additionally removed unnecessary quotation marks in example ldap.yml
The message size limit was reduced in c8728eab from the postfix
default [1] of 10,240,000B = 10,000kiB = ~10MiB to only
1,048,576B = 1MiB. And the documentation claims that this would be 10MiB
instead of 1MiB.
Restore the old behaviour as default and fix the documentation as well.
[1]: http://www.postfix.org/postconf.5.html
* DOMAINNAME can fail to be set in postsrsd-wrapper.sh
if the container doesn’t have a proper hostname, postsrsd will fail to start
because SRS_DOMAIN is empty. Make a best effort to figure out the domain name
and provide a way to set one if needed.
* Ensure that the provided username actually contains a domain
* Update README.md to be consistent with addmailuser script
* Add a test to check if the username includes the domain
* Add new configuration for multi-domain relay hosts (#922)
* Creates new environment variables (replacing existing AWS_SES variables)
* Optionally allows more advanced setups using config files
* Update relay hosts during change detection (#922)
* Add helper scripts for adding relay hosts and per-domain auth
* Allow the possibility to deliver some mail directly
* adding a domain with no destination will exclude it from the
relayhost_map and so Postfix will attempt to deliver the mail directly
* tests for setup.sh script
* tests for relay host configuration
* these tests cover the code in `start-mailserver.sh` dealing with both
the env vars and the configuration files
* Added dependencies, binary, startup configuration
* Added env variable to dist files/readme
* send summary after each logrotate, added env variable for mail/logrotate interval
* remove mail.log from rsyslogs logrotate
* rotate mail.log when no email is set
* Added documentation for POSTFIX_LOGROTATE_INTERVAL
* Removed interval option, since its not being tested for.
* changed test to force logrotate to rotate fixed logrotate config
* readded setup_environment, made logrotate_setup being called everytime
* changed documentation for new variable names - again
* Did Documentation, added a default recipient, added test for default config.
* layout fix
* changed variable names apposite the documentation
* remove two ciphers according to https://www.htbridge.com/ssl/ (NIST, HIPAA)
* added a switch via an environment variable to choose between modern and intermediate ciphers
* Introduced Postscreen
cheaper, earlier and simpler blocking of zombies/spambots.
From http://postfix.cs.utah.edu/POSTSCREEN_README.html :
As a first layer, postscreen(8) blocks connections from zombies and other spambots that are responsible for about 90% of all spam. It is implemented as a single process to make this defense as cheap as possible.
Things we need to consider:
- Do we need a whitelist/backlist file? (http://postfix.cs.utah.edu/postconf.5.html#postscreen_access_list)
- Via introducing an optional config/postfix-access.cidr
- The only permanent whitelisting I could imagine are monitoring services(which might (still?) behave weird/hastely) or blacklisting backup servers(since no traffic should be coming from them anyway)
- Do we need deep inspections? They are desireable, but these tests are expensive: a good client must disconnect after it passes the test, before it can talk to a real Postfix SMTP server. Considered tests are:
- postscreen_bare_newline_enable (http://postfix.cs.utah.edu/postconf.5.html#postscreen_bare_newline_action)
- postscreen_non_smtp_command_enable (http://postfix.cs.utah.edu/postconf.5.html#postscreen_non_smtp_command_action)
- postscreen_pipelining_enable (http://postfix.cs.utah.edu/postconf.5.html#postscreen_pipelining_action)
- Do we need to make the blacklisting via dnsblocking configurable? It's currently set and weighted as follows, where a score of 3 results in blocking, a score of -1 results in whitelisting:
(*: adds the specified weight to the SMTP client's DNSBL score. Specify a negative number for whitelisting.)
(http://postfix.cs.utah.edu/postconf.5.html#postscreen_dnsbl_sites)
- zen.spamhaus.org*3
- bl.mailspike.net
- b.barracudacentral.org*2
- bl.spameatingmonkey.net
- bl.spamcop.net
- dnsbl.sorbs.net
- psbl.surriel.com
- list.dnswl.org=127.0.[0..255].0*-2
- list.dnswl.org=127.0.[0..255].1*-3
- list.dnswl.org=127.0.[0..255].[2..3]*-4
- What to do when blacklisting? I currently set it to drop. We could
- ignore: Ignore the failure of this test. Allow other tests to complete. Repeat this test the next time the client connects. This option is useful for testing and collecting statistics without blocking mail.
- enforce: Allow other tests to complete. Reject attempts to deliver mail with a 550 SMTP reply, and log the helo/sender/recipient information. Repeat this test the next time the client connects.
- drop: Drop the connection immediately with a 521 SMTP reply. Repeat this test the next time the client connects.
In the end I think we could drop postgrey support. Postscreen replaces postgrey in its entirety, while being more selective and not delaying mail. Especially if we consider using the deep inspection options of postscreen.
Hope that wasn't too much to read! ;)
* main.cf got misformatted..
Don't know how, should be ok now.
* fixed malformatted main.cf & repaired master.cf
* reenabled rbl stuff.. It's cached, therefore doesn't hurt
* fixed tests
* added tests, repaired tests, added info, introduced new Variable POSTSCREEN_ACTION, fixes
* Allow setup of LDAP STARTTLS for Dovecot and Postfix
* Added tests for TLS config override
* Add missing Postfix TLS options
* Added missing new line at the end of the file
* Added STARTTLS tests for Postfix config
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