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lemmyreader , 2 months ago Avoid being an open relay indeed. Some background information : https://www.postfix.org/SMTPD_ACCESS_README.html#relay But with the defaults in postfix you should be fine unless you made a lot of changes and made a mistake in it.
Avoid being an open relay indeed. Some background information : https://www.postfix.org/SMTPD_ACCESS_README.html#relay But with the defaults in postfix you should be fine unless you made a lot of changes and made a mistake in it.