1 48c4bdc1 2019-04-04 martijn .\"	$OpenBSD$
 2 48c4bdc1 2019-04-04 martijn .\"
 3 48c4bdc1 2019-04-04 martijn .\" Copyright (c) 2019 Martijn van Duren <martijn@openbsd.org>
 4 48c4bdc1 2019-04-04 martijn .\"
 5 48c4bdc1 2019-04-04 martijn .\" Permission to use, copy, modify, and distribute this software for any
 6 48c4bdc1 2019-04-04 martijn .\" purpose with or without fee is hereby granted, provided that the above
 7 48c4bdc1 2019-04-04 martijn .\" copyright notice and this permission notice appear in all copies.
 8 48c4bdc1 2019-04-04 martijn .\"
 9 48c4bdc1 2019-04-04 martijn .\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 48c4bdc1 2019-04-04 martijn .\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 48c4bdc1 2019-04-04 martijn .\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 48c4bdc1 2019-04-04 martijn .\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 48c4bdc1 2019-04-04 martijn .\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 48c4bdc1 2019-04-04 martijn .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 48c4bdc1 2019-04-04 martijn .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 48c4bdc1 2019-04-04 martijn .\"
17 48c4bdc1 2019-04-04 martijn .Dd $Mdocdate$
18 48c4bdc1 2019-04-04 martijn .Dt FILTER-DNSBL 8
19 48c4bdc1 2019-04-04 martijn .Os
20 48c4bdc1 2019-04-04 martijn .Sh NAME
21 48c4bdc1 2019-04-04 martijn .Nm filter-dnsbl
22 48c4bdc1 2019-04-04 martijn .Nd block senders based on dnsbl
23 48c4bdc1 2019-04-04 martijn .Sh SYNOPSIS
24 48c4bdc1 2019-04-04 martijn .Nm
25 48c4bdc1 2019-04-04 martijn .Op Fl m
26 48c4bdc1 2019-04-04 martijn .Ar blacklist
27 48c4bdc1 2019-04-04 martijn .Op Ar ...
28 48c4bdc1 2019-04-04 martijn .Sh DESCRIPTION
29 48c4bdc1 2019-04-04 martijn .Nm
30 48c4bdc1 2019-04-04 martijn looks up the ip-address of the sender at the
31 48c4bdc1 2019-04-04 martijn .Ar blacklist
32 48c4bdc1 2019-04-04 martijn and by default drops the connection if it is found.
33 48c4bdc1 2019-04-04 martijn If the
34 48c4bdc1 2019-04-04 martijn .Fl m
35 48c4bdc1 2019-04-04 martijn flag is specified it will allow the message to continue, but it will be marked
36 48c4bdc1 2019-04-04 martijn with an X-Spam and X-Spam-DNSBL header.
37 48c4bdc1 2019-04-04 martijn .Sh SEE ALSO
38 48c4bdc1 2019-04-04 martijn .Xr smtpd 8