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Server: Apache/2.4.41 (FreeBSD) OpenSSL/1.0.2s mod_fcgid/2.3.9
System: FreeBSD salazo 12.0-RELEASE-p1303-ZFS hostBSD 12.0-RELEASE-p1303-ZFS DMR amd64
User: admin (1000)
PHP: 7.4.3
Disabled: NONE
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File: //etc/mail/access.sample
# $FreeBSD: releng/10.3/etc/mail/access.sample 176353 2008-02-17 05:22:08Z gshapiro $
#
# Mail relay access control list.  Default is to reject mail unless the
# destination is local, or listed in /etc/mail/local-host-names
#

## Examples (commented out for safety)
#From:cyberspammer.com		ERROR:"550 We don't accept mail from spammers"
#From:okay.cyberspammer.com	OK
#Connect:sendmail.org		RELAY
#To:sendmail.org		RELAY
#Connect:128.32			RELAY
#Connect:128.32.2		SKIP
#Connect:IPv6:1:2:3:4:5:6:7	RELAY
#Connect:suspicious.example.com	QUARANTINE:Mail from suspicious host
#Connect:[127.0.0.3]		OK
#Connect:[IPv6:1:2:3:4:5:6:7:8]	OK