From eea4ec1dbca5b7691abe7adcf9f021e7bf075dc3 Mon Sep 17 00:00:00 2001 From: 17Halbe Date: Thu, 25 Jan 2018 08:32:00 +0100 Subject: [PATCH] disable_vrfy_command: (#798) Prevents Spammers from collecting existing mail-addresses by probing the mailserver for them. --- target/postfix/main.cf | 1 + 1 file changed, 1 insertion(+) diff --git a/target/postfix/main.cf b/target/postfix/main.cf index b053dd92..20c33f59 100644 --- a/target/postfix/main.cf +++ b/target/postfix/main.cf @@ -49,6 +49,7 @@ smtpd_recipient_restrictions = permit_sasl_authenticated, permit_mynetworks, rej reject_rbl_client zen.spamhaus.org, reject_rbl_client bl.spamcop.net smtpd_client_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination, reject_unauth_pipelining smtpd_sender_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_unknown_sender_domain +disable_vrfy_command = yes # SASL smtpd_sasl_auth_enable = yes