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* [PATCH] mda: allow configuring globally without spamc support
@ 2018-07-29  0:33 Eric Wong
  2018-07-29 10:05 ` [PATCH v2] " Eric Wong
  0 siblings, 1 reply; 2+ messages in thread
From: Eric Wong @ 2018-07-29  0:33 UTC (permalink / raw)
  To: meta

This reuses some of the configuration from -watch, but remains
independent since some configurations will use -watch for some
inboxes and -mda for others.

The default remains "spamc" for -mda users so nothing changes
without explicit configuration.

Per-inbox configurations may also be supported in the future.
---
 Documentation/public-inbox-config.pod |  9 ++++++
 Documentation/public-inbox-mda.pod    |  4 +++
 MANIFEST                              |  1 +
 lib/PublicInbox/Spamcheck.pm          | 25 ++++++++++++++++
 lib/PublicInbox/WatchMaildir.pm       | 17 +++--------
 script/public-inbox-mda               | 27 ++++++++++++------
 t/v2mda.t                             | 41 +++++++++++++++++++++++++--
 7 files changed, 101 insertions(+), 23 deletions(-)
 create mode 100644 lib/PublicInbox/Spamcheck.pm

diff --git a/Documentation/public-inbox-config.pod b/Documentation/public-inbox-config.pod
index 22ee909..f7353dc 100644
--- a/Documentation/public-inbox-config.pod
+++ b/Documentation/public-inbox-config.pod
@@ -91,6 +91,15 @@ C<nntp://news.gmane.org/gmane.mail.public-inbox.general>
 
 Default: none
 
+=item publicinboxmda.spamcheck
+
+This may be set to C<none> to disable the use of SpamAssassin
+L<spamc(1)> for filtering spam before it is imported into git
+history.  Other spam filtering backends may be supported in
+the future.
+
+Default: spamc
+
 =item publicinboxwatch.spamcheck
 
 This may be set to C<spamc> to enable the use of SpamAssassin
diff --git a/Documentation/public-inbox-mda.pod b/Documentation/public-inbox-mda.pod
index a6c704e..1a5ade8 100644
--- a/Documentation/public-inbox-mda.pod
+++ b/Documentation/public-inbox-mda.pod
@@ -12,6 +12,10 @@ Mail Delivery Agent (MDA) for public-inbox installations.
 Each system user may have their own public-inbox instances.
 This may be invoked via L<procmail(1)> or similar tools.
 
+By default, it relies on L<spamc(1)> for filtering mail,
+but may be disabled via
+L<public-inbox-config(5)/publicinboxmda.spamcheck>
+
 =head1 ENVIRONMENT
 
 =over 8
diff --git a/MANIFEST b/MANIFEST
index fd74a43..1e3c7e3 100644
--- a/MANIFEST
+++ b/MANIFEST
@@ -98,6 +98,7 @@ lib/PublicInbox/SearchIdxPart.pm
 lib/PublicInbox/SearchMsg.pm
 lib/PublicInbox/SearchThread.pm
 lib/PublicInbox/SearchView.pm
+lib/PublicInbox/Spamcheck.pm
 lib/PublicInbox/Spamcheck/Spamc.pm
 lib/PublicInbox/Spawn.pm
 lib/PublicInbox/SpawnPP.pm
diff --git a/lib/PublicInbox/Spamcheck.pm b/lib/PublicInbox/Spamcheck.pm
new file mode 100644
index 0000000..062479d
--- /dev/null
+++ b/lib/PublicInbox/Spamcheck.pm
@@ -0,0 +1,25 @@
+# Copyright (C) 2018 all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
+package PublicInbox::Spamcheck;
+use strict;
+use warnings;
+
+sub get {
+	my ($config, $key, $default) = @_;
+	my $spamcheck = $config->{$key};
+	$spamcheck = $default unless $spamcheck;
+
+	return if !$spamcheck || $spamcheck eq 'none';
+
+	if ($spamcheck eq 'spamc') {
+		$spamcheck = 'PublicInbox::Spamcheck::Spamc';
+	}
+	if ($spamcheck =~ /::/) {
+		eval "require $spamcheck";
+		return $spamcheck->new;
+	}
+	warn "unsupported $key=$spamcheck\n";
+	undef;
+}
+
+1;
diff --git a/lib/PublicInbox/WatchMaildir.pm b/lib/PublicInbox/WatchMaildir.pm
index 10dc618..13dea16 100644
--- a/lib/PublicInbox/WatchMaildir.pm
+++ b/lib/PublicInbox/WatchMaildir.pm
@@ -14,6 +14,7 @@ use PublicInbox::Spawn qw(spawn);
 use PublicInbox::InboxWritable;
 use File::Temp qw//;
 use PublicInbox::Filter::Base;
+use PublicInbox::Spamcheck;
 *REJECT = *PublicInbox::Filter::Base::REJECT;
 
 sub new {
@@ -40,19 +41,9 @@ sub new {
 	}
 
 	my $k = 'publicinboxwatch.spamcheck';
-	my $spamcheck = $config->{$k};
-	if ($spamcheck) {
-		if ($spamcheck eq 'spamc') {
-			$spamcheck = 'PublicInbox::Spamcheck::Spamc';
-		}
-		if ($spamcheck =~ /::/) {
-			eval "require $spamcheck";
-			$spamcheck = _spamcheck_cb($spamcheck->new);
-		} else {
-			warn "unsupported $k=$spamcheck\n";
-			$spamcheck = undef;
-		}
-	}
+	my $default = undef;
+	my $spamcheck = PublicInbox::Spamcheck::get($config, $k, $default);
+	$spamcheck = _spamcheck_cb($spamcheck) if $spamcheck;
 
 	# need to make all inboxes writable for spam removal:
 	$config->each_inbox(sub { PublicInbox::InboxWritable->new($_[0]) });
diff --git a/script/public-inbox-mda b/script/public-inbox-mda
index 1f1252a..7fd2a28 100755
--- a/script/public-inbox-mda
+++ b/script/public-inbox-mda
@@ -22,7 +22,7 @@ use PublicInbox::Import;
 use PublicInbox::Git;
 use PublicInbox::Emergency;
 use PublicInbox::Filter::Base;
-use PublicInbox::Spamcheck::Spamc;
+use PublicInbox::Spamcheck;
 
 # n.b: hopefully we can setup the emergency path without bailing due to
 # user error, we really want to setup the emergency destination ASAP
@@ -34,7 +34,9 @@ $str =~ s/\A[\r\n]*From [^\r\n]*\r?\n//s;
 $ems->prepare(\$str);
 my $simple = Email::Simple->new(\$str);
 my $config = PublicInbox::Config->new;
-
+my $key = 'publicinboxmda.spamcheck';
+my $default = 'PublicInbox::Spamcheck::Spamc';
+my $spamc = PublicInbox::Spamcheck::get($config, $key, $default);
 my $recipient = $ENV{ORIGINAL_RECIPIENT};
 defined $recipient or die "ORIGINAL_RECIPIENT not defined in ENV\n";
 my $dst = $config->lookup($recipient); # first check
@@ -43,13 +45,22 @@ my $main_repo = $dst->{mainrepo} or do_exit(67);
 
 # pre-check, MDA has stricter rules than an importer might;
 do_exit(0) unless PublicInbox::MDA->precheck($simple, $dst->{address});
-my $spamc = PublicInbox::Spamcheck::Spamc->new;
-$str = '';
-my $spam_ok = $spamc->spamcheck($ems->fh, \$str);
 $simple = undef;
-$emm = PublicInbox::Emergency->new($emergency);
-$emm->prepare(\$str);
-$ems = $ems->abort;
+my $spam_ok;
+if ($spamc) {
+	$str = '';
+	$spam_ok = $spamc->spamcheck($ems->fh, \$str);
+	# update the emergency dump with the new message:
+	$emm = PublicInbox::Emergency->new($emergency);
+	$emm->prepare(\$str);
+	$ems = $ems->abort;
+} else { # no spam checking configured:
+	$spam_ok = 1;
+	$emm = $ems;
+	my $fh = $emm->fh;
+	read($fh, $str, -s $fh);
+}
+
 my $mime = PublicInbox::MIME->new(\$str);
 $str = '';
 do_exit(0) unless $spam_ok;
diff --git a/t/v2mda.t b/t/v2mda.t
index f386289..5d28f95 100644
--- a/t/v2mda.t
+++ b/t/v2mda.t
@@ -34,10 +34,13 @@ my $mime = PublicInbox::MIME->create(
 my $mda = "blib/script/public-inbox-mda";
 ok(-f "blib/script/public-inbox-mda", '-mda exists');
 my $main_bin = getcwd()."/t/main-bin";
+my $fail_bin = getcwd()."/t/fail-bin";
 local $ENV{PI_DIR} = "$tmpdir/foo";
+my $fail_path = "$fail_bin:blib/script:$ENV{PATH}";
 local $ENV{PATH} = "$main_bin:blib/script:$ENV{PATH}";
-local $ENV{PI_EMERGENCY} = "$tmpdir/fail";
-ok(mkdir "$tmpdir/fail");
+my $faildir = "$tmpdir/fail";
+local $ENV{PI_EMERGENCY} = $faildir;
+ok(mkdir $faildir);
 my @cmd = (qw(public-inbox-init -V2), $ibx->{name},
 		$ibx->{mainrepo}, 'http://localhost/test',
 		$ibx->{address}->[0]);
@@ -55,7 +58,41 @@ ok(PublicInbox::Import::run_die(['public-inbox-mda'], undef, $rdr),
 
 $ibx = PublicInbox::Inbox->new($ibx);
 my $msgs = $ibx->search->query('');
+is(scalar(@$msgs), 1, 'only got one message');
 my $saved = $ibx->smsg_mime($msgs->[0]);
 is($saved->{mime}->as_string, $mime->as_string, 'injected message');
 
+{
+	my @new = glob("$faildir/new/*");
+	is_deeply(\@new, [], 'nothing in faildir');
+	local $ENV{PATH} = $fail_path;
+	$mime->header_set('Message-ID', '<bar@foo>');
+	ok($tmp->sysseek(0, SEEK_SET) &&
+			$tmp->truncate(0) &&
+			$tmp->print($mime->as_string) &&
+			$tmp->flush &&
+			$tmp->sysseek(0, SEEK_SET),
+		'rewound and rewrite temporary file');
+	my $cmd = ['public-inbox-mda'];
+	ok(PublicInbox::Import::run_die($cmd, undef, $rdr),
+		'mda did not die on "spam"');
+	@new = glob("$faildir/new/*");
+	is(scalar(@new), 1, 'got a message in faildir');
+	$msgs = $ibx->search->reopen->query('');
+	is(scalar(@$msgs), 1, 'no new message');
+
+	my $config = "$ENV{PI_DIR}/config";
+	ok(-f $config, 'config exists');
+	my $k = 'publicinboxmda.spamcheck';
+	is(system('git', 'config', "--file=$config", $k, 'none'), 0,
+		'disabled spamcheck for mda');
+	ok($tmp->sysseek(0, SEEK_SET), 'rewound input file');
+
+	ok(PublicInbox::Import::run_die($cmd, undef, $rdr), 'mda did not die');
+	my @again = glob("$faildir/new/*");
+	is_deeply(\@again, \@new, 'no new message in faildir');
+	$msgs = $ibx->search->reopen->query('');
+	is(scalar(@$msgs), 2, 'new message added OK');
+}
+
 done_testing();
-- 
EW


^ permalink raw reply	[flat|nested] 2+ messages in thread

* [PATCH v2] mda: allow configuring globally without spamc support
  2018-07-29  0:33 [PATCH] mda: allow configuring globally without spamc support Eric Wong
@ 2018-07-29 10:05 ` " Eric Wong
  0 siblings, 0 replies; 2+ messages in thread
From: Eric Wong @ 2018-07-29 10:05 UTC (permalink / raw)
  To: meta

This reuses some of the configuration from -watch, but remains
independent since some configurations will use -watch for some
inboxes and -mda for others.

The default remains "spamc" for -mda users so nothing changes
without explicit configuration.

Per-inbox configurations may also be supported in the future.
---
 Documentation/public-inbox-config.pod |  9 ++++
 Documentation/public-inbox-mda.pod    |  4 ++
 MANIFEST                              |  1 +
 lib/PublicInbox/Spamcheck.pm          | 25 +++++++++++
 lib/PublicInbox/WatchMaildir.pm       | 17 ++-----
 script/public-inbox-mda               | 27 +++++++----
 t/v2mda.t                             | 65 +++++++++++++++++++++------
 7 files changed, 114 insertions(+), 34 deletions(-)
 create mode 100644 lib/PublicInbox/Spamcheck.pm

diff --git a/Documentation/public-inbox-config.pod b/Documentation/public-inbox-config.pod
index 22ee909..f7353dc 100644
--- a/Documentation/public-inbox-config.pod
+++ b/Documentation/public-inbox-config.pod
@@ -91,6 +91,15 @@ C<nntp://news.gmane.org/gmane.mail.public-inbox.general>
 
 Default: none
 
+=item publicinboxmda.spamcheck
+
+This may be set to C<none> to disable the use of SpamAssassin
+L<spamc(1)> for filtering spam before it is imported into git
+history.  Other spam filtering backends may be supported in
+the future.
+
+Default: spamc
+
 =item publicinboxwatch.spamcheck
 
 This may be set to C<spamc> to enable the use of SpamAssassin
diff --git a/Documentation/public-inbox-mda.pod b/Documentation/public-inbox-mda.pod
index a6c704e..1a5ade8 100644
--- a/Documentation/public-inbox-mda.pod
+++ b/Documentation/public-inbox-mda.pod
@@ -12,6 +12,10 @@ Mail Delivery Agent (MDA) for public-inbox installations.
 Each system user may have their own public-inbox instances.
 This may be invoked via L<procmail(1)> or similar tools.
 
+By default, it relies on L<spamc(1)> for filtering mail,
+but may be disabled via
+L<public-inbox-config(5)/publicinboxmda.spamcheck>
+
 =head1 ENVIRONMENT
 
 =over 8
diff --git a/MANIFEST b/MANIFEST
index 003c3c5..a455dba 100644
--- a/MANIFEST
+++ b/MANIFEST
@@ -98,6 +98,7 @@ lib/PublicInbox/SearchIdxPart.pm
 lib/PublicInbox/SearchMsg.pm
 lib/PublicInbox/SearchThread.pm
 lib/PublicInbox/SearchView.pm
+lib/PublicInbox/Spamcheck.pm
 lib/PublicInbox/Spamcheck/Spamc.pm
 lib/PublicInbox/Spawn.pm
 lib/PublicInbox/SpawnPP.pm
diff --git a/lib/PublicInbox/Spamcheck.pm b/lib/PublicInbox/Spamcheck.pm
new file mode 100644
index 0000000..062479d
--- /dev/null
+++ b/lib/PublicInbox/Spamcheck.pm
@@ -0,0 +1,25 @@
+# Copyright (C) 2018 all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
+package PublicInbox::Spamcheck;
+use strict;
+use warnings;
+
+sub get {
+	my ($config, $key, $default) = @_;
+	my $spamcheck = $config->{$key};
+	$spamcheck = $default unless $spamcheck;
+
+	return if !$spamcheck || $spamcheck eq 'none';
+
+	if ($spamcheck eq 'spamc') {
+		$spamcheck = 'PublicInbox::Spamcheck::Spamc';
+	}
+	if ($spamcheck =~ /::/) {
+		eval "require $spamcheck";
+		return $spamcheck->new;
+	}
+	warn "unsupported $key=$spamcheck\n";
+	undef;
+}
+
+1;
diff --git a/lib/PublicInbox/WatchMaildir.pm b/lib/PublicInbox/WatchMaildir.pm
index 10dc618..13dea16 100644
--- a/lib/PublicInbox/WatchMaildir.pm
+++ b/lib/PublicInbox/WatchMaildir.pm
@@ -14,6 +14,7 @@ use PublicInbox::Spawn qw(spawn);
 use PublicInbox::InboxWritable;
 use File::Temp qw//;
 use PublicInbox::Filter::Base;
+use PublicInbox::Spamcheck;
 *REJECT = *PublicInbox::Filter::Base::REJECT;
 
 sub new {
@@ -40,19 +41,9 @@ sub new {
 	}
 
 	my $k = 'publicinboxwatch.spamcheck';
-	my $spamcheck = $config->{$k};
-	if ($spamcheck) {
-		if ($spamcheck eq 'spamc') {
-			$spamcheck = 'PublicInbox::Spamcheck::Spamc';
-		}
-		if ($spamcheck =~ /::/) {
-			eval "require $spamcheck";
-			$spamcheck = _spamcheck_cb($spamcheck->new);
-		} else {
-			warn "unsupported $k=$spamcheck\n";
-			$spamcheck = undef;
-		}
-	}
+	my $default = undef;
+	my $spamcheck = PublicInbox::Spamcheck::get($config, $k, $default);
+	$spamcheck = _spamcheck_cb($spamcheck) if $spamcheck;
 
 	# need to make all inboxes writable for spam removal:
 	$config->each_inbox(sub { PublicInbox::InboxWritable->new($_[0]) });
diff --git a/script/public-inbox-mda b/script/public-inbox-mda
index 2b7f298..183b915 100755
--- a/script/public-inbox-mda
+++ b/script/public-inbox-mda
@@ -20,8 +20,8 @@ use PublicInbox::MDA;
 use PublicInbox::Config;
 use PublicInbox::Emergency;
 use PublicInbox::Filter::Base;
-use PublicInbox::Spamcheck::Spamc;
 use PublicInbox::InboxWritable;
+use PublicInbox::Spamcheck;
 
 # n.b: hopefully we can setup the emergency path without bailing due to
 # user error, we really want to setup the emergency destination ASAP
@@ -33,7 +33,9 @@ $str =~ s/\A[\r\n]*From [^\r\n]*\r?\n//s;
 $ems->prepare(\$str);
 my $simple = Email::Simple->new(\$str);
 my $config = PublicInbox::Config->new;
-
+my $key = 'publicinboxmda.spamcheck';
+my $default = 'PublicInbox::Spamcheck::Spamc';
+my $spamc = PublicInbox::Spamcheck::get($config, $key, $default);
 my $recipient = $ENV{ORIGINAL_RECIPIENT};
 defined $recipient or die "ORIGINAL_RECIPIENT not defined in ENV\n";
 my $dst = $config->lookup($recipient); # first check
@@ -43,13 +45,22 @@ $dst = PublicInbox::InboxWritable->new($dst);
 
 # pre-check, MDA has stricter rules than an importer might;
 do_exit(0) unless PublicInbox::MDA->precheck($simple, $dst->{address});
-my $spamc = PublicInbox::Spamcheck::Spamc->new;
-$str = '';
-my $spam_ok = $spamc->spamcheck($ems->fh, \$str);
 $simple = undef;
-$emm = PublicInbox::Emergency->new($emergency);
-$emm->prepare(\$str);
-$ems = $ems->abort;
+my $spam_ok;
+if ($spamc) {
+	$str = '';
+	$spam_ok = $spamc->spamcheck($ems->fh, \$str);
+	# update the emergency dump with the new message:
+	$emm = PublicInbox::Emergency->new($emergency);
+	$emm->prepare(\$str);
+	$ems = $ems->abort;
+} else { # no spam checking configured:
+	$spam_ok = 1;
+	$emm = $ems;
+	my $fh = $emm->fh;
+	read($fh, $str, -s $fh);
+}
+
 my $mime = PublicInbox::MIME->new(\$str);
 do_exit(0) unless $spam_ok;
 
diff --git a/t/v2mda.t b/t/v2mda.t
index 6145720..d041ffd 100644
--- a/t/v2mda.t
+++ b/t/v2mda.t
@@ -35,11 +35,13 @@ my $mime = PublicInbox::MIME->create(
 my $mda = "blib/script/public-inbox-mda";
 ok(-f "blib/script/public-inbox-mda", '-mda exists');
 my $main_bin = getcwd()."/t/main-bin";
+my $fail_bin = getcwd()."/t/fail-bin";
 local $ENV{PI_DIR} = "$tmpdir/foo";
+my $fail_path = "$fail_bin:blib/script:$ENV{PATH}";
 local $ENV{PATH} = "$main_bin:blib/script:$ENV{PATH}";
-local $ENV{PI_EMERGENCY} = "$tmpdir/fail";
-ok(mkdir "$tmpdir/fail");
-
+my $faildir = "$tmpdir/fail";
+local $ENV{PI_EMERGENCY} = $faildir;
+ok(mkdir $faildir);
 my @cmd = (qw(public-inbox-init), "-V$V", $ibx->{name},
 		$ibx->{mainrepo}, 'http://localhost/test',
 		$ibx->{address}->[0]);
@@ -62,17 +64,54 @@ if ($V == 1) {
 	ok(PublicInbox::Import::run_die($cmd, undef, $rdr), 'v1 indexed');
 }
 my $msgs = $ibx->search->query('');
+is(scalar(@$msgs), 1, 'only got one message');
 my $saved = $ibx->smsg_mime($msgs->[0]);
 is($saved->{mime}->as_string, $mime->as_string, 'injected message');
 
-my $patch = 't/data/0001.patch';
-open my $fh, '<', $patch or die "failed to open $patch: $!\n";
-$rdr = { 0 => fileno($fh) };
-ok(PublicInbox::Import::run_die(['public-inbox-mda'], undef, $rdr),
-	'mda delivered a patch');
-my $post = $ibx->search->reopen->query('dfpost:6e006fd7');
-is(scalar(@$post), 1, 'got one result for dfpost');
-my $pre = $ibx->search->query('dfpre:090d998');
-is(scalar(@$pre), 1, 'got one result for dfpre');
-is($post->[0]->{blob}, $pre->[0]->{blob}, 'same message in both cases');
+{
+	my @new = glob("$faildir/new/*");
+	is_deeply(\@new, [], 'nothing in faildir');
+	local $ENV{PATH} = $fail_path;
+	$mime->header_set('Message-ID', '<bar@foo>');
+	ok($tmp->sysseek(0, SEEK_SET) &&
+			$tmp->truncate(0) &&
+			$tmp->print($mime->as_string) &&
+			$tmp->flush &&
+			$tmp->sysseek(0, SEEK_SET),
+		'rewound and rewrite temporary file');
+	my $cmd = ['public-inbox-mda'];
+	ok(PublicInbox::Import::run_die($cmd, undef, $rdr),
+		'mda did not die on "spam"');
+	@new = glob("$faildir/new/*");
+	is(scalar(@new), 1, 'got a message in faildir');
+	$msgs = $ibx->search->reopen->query('');
+	is(scalar(@$msgs), 1, 'no new message');
+
+	my $config = "$ENV{PI_DIR}/config";
+	ok(-f $config, 'config exists');
+	my $k = 'publicinboxmda.spamcheck';
+	is(system('git', 'config', "--file=$config", $k, 'none'), 0,
+		'disabled spamcheck for mda');
+	ok($tmp->sysseek(0, SEEK_SET), 'rewound input file');
+
+	ok(PublicInbox::Import::run_die($cmd, undef, $rdr), 'mda did not die');
+	my @again = glob("$faildir/new/*");
+	is_deeply(\@again, \@new, 'no new message in faildir');
+	$msgs = $ibx->search->reopen->query('');
+	is(scalar(@$msgs), 2, 'new message added OK');
+}
+
+{
+	my $patch = 't/data/0001.patch';
+	open my $fh, '<', $patch or die "failed to open $patch: $!\n";
+	$rdr = { 0 => fileno($fh) };
+	ok(PublicInbox::Import::run_die(['public-inbox-mda'], undef, $rdr),
+		'mda delivered a patch');
+	my $post = $ibx->search->reopen->query('dfpost:6e006fd7');
+	is(scalar(@$post), 1, 'got one result for dfpost');
+	my $pre = $ibx->search->query('dfpre:090d998');
+	is(scalar(@$pre), 1, 'got one result for dfpre');
+	is($post->[0]->{blob}, $pre->[0]->{blob}, 'same message in both cases');
+}
+
 done_testing();
-- 
EW

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2018-07-29  0:33 [PATCH] mda: allow configuring globally without spamc support Eric Wong
2018-07-29 10:05 ` [PATCH v2] " Eric Wong

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	nntp://czquwvybam4bgbro.onion/inbox.comp.mail.public-inbox.meta
	nntp://hjrcffqmbrq6wope.onion/inbox.comp.mail.public-inbox.meta
	nntp://news.gmane.org/gmane.mail.public-inbox.general

 note: .onion URLs require Tor: https://www.torproject.org/
       or Tor2web: https://www.tor2web.org/

AGPL code for this site: git clone https://public-inbox.org/ public-inbox