https://lms.onnocenter.or.id/wiki/index.php?action=history&feed=atom&title=Postfix%3A_Block_Sender_%28en%29 2026-04-20T16:13:31Z Revision history for this page on the wiki MediaWiki 1.45.1 https://lms.onnocenter.or.id/wiki/index.php?title=Postfix:_Block_Sender_(en)&diff=71384&oldid=prev 2025-01-03T23:44:23Z

<p>Created page with &quot; cd /etc/postfix vi sender_access Enter the addresses you want to block: user@abadboy.com REJECT myfriend@example.com OK junk@spam.com REJECT market...&quot;</p> <p><b>New page</b></p><div> cd /etc/postfix<br /> vi sender_access<br /> <br /> Enter the addresses you want to block:<br /> <br /> user@abadboy.com REJECT<br /> myfriend@example.com OK<br /> junk@spam.com REJECT<br /> marketing@ REJECT<br /> theboss@ OK<br /> deals.marketing.com REJECT<br /> somedomain.com OK<br /> <br /> Save &amp; close file. Run postmap to create the database:<br /> <br /> postmap hash:sender_access<br /> <br /> Edit main.cf &amp; add:<br /> <br /> smtpd_recipient_restrictions = check_sender_access hash:/etc/postfix/sender_access<br /> <br /> Restart postfix:<br /> <br /> /etc/init.d/postfix restart<br /> <br /> You can also use spamassassin to blacklist email addresses. Just add to your own spamassassin configuration or to the /etc/mail/spamassassin/local.cf file:<br /> <br /> vi /etc/mail/spamassassin/local.cf<br /> <br /> Append blacklist as follows:<br /> <br /> blacklist_from user@abadboy.com<br /> <br /> Save and close the file. Restart spamassassin:<br /> <br /> /etc/init.d/spamassassin restart<br /> <br /> Spamassassin will mark mail as SPAM instead of rejecting it.<br /> <br /> ==References==<br /> <br /> * http://www.cyberciti.biz/faq/howto-blacklist-reject-sender-email-address/</div>

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