diff options
Diffstat (limited to 'examples/unsubscribe.milter')
| -rw-r--r-- | examples/unsubscribe.milter | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/examples/unsubscribe.milter b/examples/unsubscribe.milter index 04a39761..216b0ddd 100644 --- a/examples/unsubscribe.milter +++ b/examples/unsubscribe.milter @@ -1,5 +1,5 @@ #!/usr/bin/perl -w -# Copyright (C) 2016-2021 all contributors <meta@public-inbox.org> +# Copyright (C) all contributors <meta@public-inbox.org> # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt> use strict; use Sendmail::PMilter qw(:all); @@ -96,6 +96,7 @@ $cbs{eom} = sub { my $unsub = $priv->{header}->{'list-unsubscribe'} || []; my $n = 0; + my $added; foreach my $u (@$unsub) { # Milter indices are 1-based, # not 0-based like Perl arrays @@ -114,7 +115,11 @@ $cbs{eom} = sub { $v .= ",\n <https://$domain/u/$u/$list>"; $ctx->chgheader($k, $index, $v); + $added = 1; } + # RFC 8058 + $added and $ctx->addheader('List-Unsubscribe-Post', + 'List-Unsubscribe=One-Click'); }; warn $@ if $@; SMFIS_CONTINUE; |