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authorMark Sapiro <mark@msapiro.net>2019-06-19 16:56:49 -0700
committerMark Sapiro <mark@msapiro.net>2019-06-19 16:56:49 -0700
commit1799a87556e18776e64df28ff2ac4fee190f2dc1 (patch)
tree670eea11f001d2273da50af94c9f949b85ded058
parent56188e427f80ed350b6608ce47124402c90b9d40 (diff)
parent91203be694e4ca836b862b7921e119b2f55a8307 (diff)
downloadmailman2-1799a87556e18776e64df28ff2ac4fee190f2dc1.tar.gz
mailman2-1799a87556e18776e64df28ff2ac4fee190f2dc1.tar.xz
mailman2-1799a87556e18776e64df28ff2ac4fee190f2dc1.zip
Implement Ralf Jung's captcha feature for the subscribe form.
Diffstat (limited to '')
-rw-r--r--Mailman/Cgi/listinfo.py22
-rw-r--r--Mailman/Cgi/subscribe.py13
-rwxr-xr-xMailman/Defaults.py.in23
-rw-r--r--Mailman/Utils.py30
-rw-r--r--NEWS24
-rw-r--r--templates/ar/listinfo.html1
-rw-r--r--templates/ast/listinfo.html1
-rw-r--r--templates/ca/listinfo.html1
-rw-r--r--templates/cs/listinfo.html1
-rw-r--r--templates/da/listinfo.html1
-rwxr-xr-xtemplates/de/listinfo.html1
-rwxr-xr-xtemplates/el/listinfo.html1
-rw-r--r--templates/en/listinfo.html1
-rw-r--r--templates/eo/listinfo.html1
-rw-r--r--templates/es/listinfo.html1
-rw-r--r--templates/et/listinfo.html1
-rw-r--r--templates/eu/listinfo.html1
-rw-r--r--templates/fa/listinfo.html1
-rw-r--r--templates/fi/listinfo.html1
-rw-r--r--templates/fr/listinfo.html1
-rw-r--r--templates/gl/listinfo.html1
-rw-r--r--templates/he/listinfo.html1
-rw-r--r--templates/hr/listinfo.html1
-rw-r--r--templates/hu/listinfo.html1
-rw-r--r--templates/ia/listinfo.html1
-rw-r--r--templates/it/listinfo.html1
-rw-r--r--templates/ja/listinfo.html1
-rw-r--r--templates/ko/listinfo.html1
-rw-r--r--templates/lt/listinfo.html1
-rw-r--r--templates/nl/listinfo.html1
-rw-r--r--templates/no/listinfo.html1
-rw-r--r--templates/pl/listinfo.html1
-rw-r--r--templates/pt/listinfo.html1
-rw-r--r--templates/pt_BR/listinfo.html1
-rw-r--r--templates/ro/listinfo.html1
-rw-r--r--templates/ru/listinfo.html1
-rw-r--r--templates/sk/listinfo.html1
-rw-r--r--templates/sl/listinfo.html1
-rw-r--r--templates/sr/listinfo.html1
-rw-r--r--templates/sv/listinfo.html1
-rw-r--r--templates/tr/listinfo.html1
-rw-r--r--templates/uk/listinfo.html1
-rw-r--r--templates/vi/listinfo.html1
-rw-r--r--templates/zh_CN/listinfo.html1
-rw-r--r--templates/zh_TW/listinfo.html1
45 files changed, 138 insertions, 14 deletions
diff --git a/Mailman/Cgi/listinfo.py b/Mailman/Cgi/listinfo.py
index f1b455da..81ff7f48 100644
--- a/Mailman/Cgi/listinfo.py
+++ b/Mailman/Cgi/listinfo.py
@@ -216,10 +216,28 @@ def list_listinfo(mlist, lang):
# drop one : resulting in an invalid format, but it's only
# for our hash so it doesn't matter.
remote = remote.rsplit(':', 1)[0]
+ # render CAPTCHA, if configured
+ if isinstance(mm_cfg.CAPTCHAS, dict) and 'en' in mm_cfg.CAPTCHAS:
+ (captcha_question, captcha_box, captcha_idx) = \
+ Utils.captcha_display(mlist, lang, mm_cfg.CAPTCHAS)
+ pre_question = _(
+ """Please answer the following question to prove that
+ you are not a bot:"""
+ )
+ replacements['<mm-captcha-ui>'] = (
+ """<tr><td BGCOLOR="#dddddd">%s<br>%s</td><td>%s</td></tr>"""
+ % (pre_question, captcha_question, captcha_box))
+ else:
+ # just to have something to include in the hash below
+ captcha_idx = ''
+ # fill form
replacements['<mm-subscribe-form-start>'] += (
- '<input type="hidden" name="sub_form_token" value="%s:%s">\n'
- % (now, Utils.sha_new(mm_cfg.SUBSCRIBE_FORM_SECRET + ":" +
+ '<input type="hidden" name="sub_form_token"'
+ ' value="%s:%s:%s">\n'
+ % (now, captcha_idx,
+ Utils.sha_new(mm_cfg.SUBSCRIBE_FORM_SECRET + ":" +
now + ":" +
+ captcha_idx + ":" +
mlist.internal_name() + ":" +
remote
).hexdigest()
diff --git a/Mailman/Cgi/subscribe.py b/Mailman/Cgi/subscribe.py
index b6527a2a..ce7940f9 100644
--- a/Mailman/Cgi/subscribe.py
+++ b/Mailman/Cgi/subscribe.py
@@ -168,13 +168,15 @@ def process_form(mlist, doc, cgidata, lang):
# for our hash so it doesn't matter.
remote1 = remote.rsplit(':', 1)[0]
try:
- ftime, fhash = cgidata.getfirst('sub_form_token', '').split(':')
+ ftime, fcaptcha_idx, fhash = cgidata.getfirst(
+ 'sub_form_token', '').split(':')
then = int(ftime)
except ValueError:
- ftime = fhash = ''
+ ftime = fcaptcha_idx = fhash = ''
then = 0
token = Utils.sha_new(mm_cfg.SUBSCRIBE_FORM_SECRET + ":" +
ftime + ":" +
+ fcaptcha_idx + ":" +
mlist.internal_name() + ":" +
remote1).hexdigest()
if ftime and now - then > mm_cfg.FORM_LIFETIME:
@@ -189,6 +191,13 @@ def process_form(mlist, doc, cgidata, lang):
results.append(
_('There was no hidden token in your submission or it was corrupted.'))
results.append(_('You must GET the form before submitting it.'))
+ # Check captcha
+ if isinstance(mm_cfg.CAPTCHAS, dict):
+ captcha_answer = cgidata.getvalue('captcha_answer', '')
+ if not Utils.captcha_verify(
+ fcaptcha_idx, captcha_answer, mm_cfg.CAPTCHAS):
+ results.append(_(
+ 'This was not the right answer to the CAPTCHA question.'))
# Was an attempt made to subscribe the list to itself?
if email == mlist.GetListEmail():
syslog('mischief', 'Attempt to self subscribe %s: %s', email, remote)
diff --git a/Mailman/Defaults.py.in b/Mailman/Defaults.py.in
index 3350f278..594674ca 100755
--- a/Mailman/Defaults.py.in
+++ b/Mailman/Defaults.py.in
@@ -131,6 +131,25 @@ SUBSCRIBE_FORM_SECRET = None
# test.
SUBSCRIBE_FORM_MIN_TIME = seconds(5)
+# Use a custom question-answer CAPTCHA to protect against subscription spam.
+# Has no effect unless SUBSCRIBE_FORM_SECRET is set.
+# Should be set to a dict mapping language keys to a list of pairs
+# of questions and regexes for the answers, e.g.
+# CAPTCHAS = {
+# 'en': [
+# ('What is two times six?', '(12|twelve)'),
+# ('What is this mailing list software called?', '[Mm]ailman'),
+# ],
+# 'de': [
+# ('Was ist 3 mal 6?', '(18|achtzehn)'),
+# ],
+# }
+# The regular expression must match the full string, i.e., it is implicitly
+# acting as if it had "^" in the beginning and "$" at the end.
+# An 'en' key must be present and is used as fall-back if there are no
+# questions for the currently set language.
+CAPTCHAS = None
+
# Use Google reCAPTCHA to protect the subscription form from spam bots. The
# following must be set to a pair of keys issued by the reCAPTCHA service at
# https://www.google.com/recaptcha/admin
@@ -1188,7 +1207,7 @@ DEFAULT_DMARC_MODERATION_ACTION = 0
# with a stronger DMARC policy if such a policy would result in message
# modification because dmarc_moderation_action is 1 or 2. Thus, there is
# a list setting to apply dmarc_moderaction_action of 1 or 2 to messages
-# From: domains with DMARC p=none. Setting this to Yes is only effective if
+# From: domains with DMARC p=none. Setting this to Yes is only effective if
# dmarc_quarantine_moderaction_action is also Yes. The following is the
# default for this setting for new lists.
DEFAULT_DMARC_NONE_MODERATION_ACTION = No
@@ -1224,7 +1243,7 @@ DMARC_ORGANIZATIONAL_DOMAIN_DATA_URL = \
# (0 to disable).
DEFAULT_MEMBER_VERBOSITY_INTERVAL = 300
DEFAULT_MEMBER_VERBOSITY_THRESHOLD = 0
-
+
# This controls how often to clean old post time entries from the dictionary
# used to implement the member verbosity feature. This is a compromise between
# using resources for cleaning and allowing the dictionary to grow very large.
diff --git a/Mailman/Utils.py b/Mailman/Utils.py
index 10629fc4..36fbd1f9 100644
--- a/Mailman/Utils.py
+++ b/Mailman/Utils.py
@@ -1576,3 +1576,33 @@ def banned_domain(email):
if not re.search(r'127\.0\.1\.255$', text, re.MULTILINE):
return True
return False
+
+
+def captcha_display(mlist, lang, captchas):
+ """Returns a CAPTCHA question, the HTML for the answer box, and
+ the data to be put into the CSRF token"""
+ if not lang in captchas:
+ lang = 'en'
+ captchas = captchas[lang]
+ idx = random.randrange(len(captchas))
+ question = captchas[idx][0]
+ box_html = mlist.FormatBox('captcha_answer', size=30)
+ # Remember to encode the language in the index so that we can get it out
+ # again!
+ return (websafe(question), box_html, lang + "-" + str(idx))
+
+def captcha_verify(idx, given_answer, captchas):
+ try:
+ (lang, idx) = idx.split("-")
+ idx = int(idx)
+ except ValueError:
+ return False
+ if not lang in captchas:
+ return False
+ captchas = captchas[lang]
+ if not idx in range(len(captchas)):
+ return False
+ # Check the given answer.
+ # We append a `$` to emulate `re.fullmatch`.
+ correct_answer_pattern = captchas[idx][1] + "$"
+ return re.match(correct_answer_pattern, given_answer)
diff --git a/NEWS b/NEWS
index 2f4ed388..507791c3 100644
--- a/NEWS
+++ b/NEWS
@@ -21,9 +21,17 @@ Here is a history of user visible changes to Mailman.
does this on every web access and on sites with a very large number of
lists, this can have performance implications. See the description in
Defaults.py for more information.
-
+
+ - Thanks to Ralph Jung there is now the ability to add text based captchas
+ (aka textchas) to the listinfo subscribe form. See the documentation
+ for the new CAPTCHA setting in Defaults.py for how to enable this. Also
+ note that if you have custom listinfo.html templates, you will have to
+ add a <mm-captcha-ui> tag to those templates to make this work. This
+ feature can be used in combination with or instead of the Google
+ reCAPTCHA feature added in 2.1.26.
+
Bug Fixes and other patches
-
+
- Fixed the confirm CGI to catch a rare TypeError on simultaneous
confirmations of the same token. (LP: #1785854)
@@ -61,7 +69,7 @@ Here is a history of user visible changes to Mailman.
2.1.28 (23-Jul-2018)
Security
-
+
- A content spoofing vulnerability with invalid list name messages in
the web UI has been fixed. CVE-2018-13796 (LP: #1780874)
@@ -400,7 +408,7 @@ Here is a history of user visible changes to Mailman.
well as the user options page and the previously fixed admin pages.
Thanks to Nishant Agarwala for reporting the issue. CVE-2016-6893
(LP: #1614841)
-
+
New Features
- For header_filter_rules matching, RFC 2047 encoded headers, non-encoded
@@ -483,7 +491,7 @@ Here is a history of user visible changes to Mailman.
- A site can now set DMARC_ORGANIZATIONAL_DOMAIN_DATA_URL to None or the
null string if it wants to avoid using this. (LP: #1578450)
-
+
- The white space to the left of the admindb Logout link is no longer
part of the link. (LP: #1573623)
@@ -711,11 +719,11 @@ Here is a history of user visible changes to Mailman.
and deleting the old address. (LP: #266809)
i18n
-
+
- The Russian translation has been updated by Danil Smirnov.
- The Polish translation has been updated by Stefan Plewako.
-
+
Bug fixes and other patches
- A LookupError in SpamDetect on a message with RFC 2047 encoded headers
@@ -954,7 +962,7 @@ Here is a history of user visible changes to Mailman.
- If checking DNS for dmarc_moderation_action and DNS lookup is not
available, log it. (LP: #1324541)
-
+
- Handle missing From: header addresses for DMARC mitigation actions.
(LP: #1318025)
diff --git a/templates/ar/listinfo.html b/templates/ar/listinfo.html
index 8a24e75c..0d2f23bc 100644
--- a/templates/ar/listinfo.html
+++ b/templates/ar/listinfo.html
@@ -112,6 +112,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/ast/listinfo.html b/templates/ast/listinfo.html
index f451a1b1..c000dae1 100644
--- a/templates/ast/listinfo.html
+++ b/templates/ast/listinfo.html
@@ -104,6 +104,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></P></center>
diff --git a/templates/ca/listinfo.html b/templates/ca/listinfo.html
index f1a66f7c..a6c4e4ba 100644
--- a/templates/ca/listinfo.html
+++ b/templates/ca/listinfo.html
@@ -115,6 +115,7 @@ que es mostrin els vostres missatges?</TD>
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/cs/listinfo.html b/templates/cs/listinfo.html
index 8da0066a..0fbb2819 100644
--- a/templates/cs/listinfo.html
+++ b/templates/cs/listinfo.html
@@ -113,6 +113,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/da/listinfo.html b/templates/da/listinfo.html
index 79cf9d47..09869b2b 100644
--- a/templates/da/listinfo.html
+++ b/templates/da/listinfo.html
@@ -109,6 +109,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/de/listinfo.html b/templates/de/listinfo.html
index 647a66cc..78531d21 100755
--- a/templates/de/listinfo.html
+++ b/templates/de/listinfo.html
@@ -115,6 +115,7 @@ Liste <MM-List-Name></MM-Archive>. <MM-Restricted-List-Message>
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/el/listinfo.html b/templates/el/listinfo.html
index 65455594..71be2f28 100755
--- a/templates/el/listinfo.html
+++ b/templates/el/listinfo.html
@@ -117,6 +117,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></P></center>
diff --git a/templates/en/listinfo.html b/templates/en/listinfo.html
index c3c216b1..7a27fbdd 100644
--- a/templates/en/listinfo.html
+++ b/templates/en/listinfo.html
@@ -116,6 +116,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/eo/listinfo.html b/templates/eo/listinfo.html
index 6bd29d6f..6c002c17 100644
--- a/templates/eo/listinfo.html
+++ b/templates/eo/listinfo.html
@@ -105,6 +105,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/es/listinfo.html b/templates/es/listinfo.html
index c73d9d0e..3b54a1ce 100644
--- a/templates/es/listinfo.html
+++ b/templates/es/listinfo.html
@@ -118,6 +118,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/et/listinfo.html b/templates/et/listinfo.html
index b6967d9e..7c0ee718 100644
--- a/templates/et/listinfo.html
+++ b/templates/et/listinfo.html
@@ -108,6 +108,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/eu/listinfo.html b/templates/eu/listinfo.html
index a6a8a769..5d41d2a8 100644
--- a/templates/eu/listinfo.html
+++ b/templates/eu/listinfo.html
@@ -114,6 +114,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/fa/listinfo.html b/templates/fa/listinfo.html
index 80422928..45b68ac8 100644
--- a/templates/fa/listinfo.html
+++ b/templates/fa/listinfo.html
@@ -106,6 +106,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/fi/listinfo.html b/templates/fi/listinfo.html
index a52da14c..560fc46f 100644
--- a/templates/fi/listinfo.html
+++ b/templates/fi/listinfo.html
@@ -121,6 +121,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/fr/listinfo.html b/templates/fr/listinfo.html
index 61954769..6ca7cf55 100644
--- a/templates/fr/listinfo.html
+++ b/templates/fr/listinfo.html
@@ -119,6 +119,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/gl/listinfo.html b/templates/gl/listinfo.html
index 7f65048b..aa9e0954 100644
--- a/templates/gl/listinfo.html
+++ b/templates/gl/listinfo.html
@@ -117,6 +117,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/he/listinfo.html b/templates/he/listinfo.html
index dc5bca26..b6f21f69 100644
--- a/templates/he/listinfo.html
+++ b/templates/he/listinfo.html
@@ -111,6 +111,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/hr/listinfo.html b/templates/hr/listinfo.html
index 37de789e..10df382f 100644
--- a/templates/hr/listinfo.html
+++ b/templates/hr/listinfo.html
@@ -113,6 +113,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/hu/listinfo.html b/templates/hu/listinfo.html
index 4f62722f..c1b702df 100644
--- a/templates/hu/listinfo.html
+++ b/templates/hu/listinfo.html
@@ -112,6 +112,7 @@
<tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<td colspan="3">
<center><MM-Subscribe-Button></center>
</td>
diff --git a/templates/ia/listinfo.html b/templates/ia/listinfo.html
index c0077505..de848cd6 100644
--- a/templates/ia/listinfo.html
+++ b/templates/ia/listinfo.html
@@ -104,6 +104,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/it/listinfo.html b/templates/it/listinfo.html
index deb68063..51e59272 100644
--- a/templates/it/listinfo.html
+++ b/templates/it/listinfo.html
@@ -124,6 +124,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/ja/listinfo.html b/templates/ja/listinfo.html
index 288f51cd..3aa105d7 100644
--- a/templates/ja/listinfo.html
+++ b/templates/ja/listinfo.html
@@ -116,6 +116,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/ko/listinfo.html b/templates/ko/listinfo.html
index 13805662..6211f7b9 100644
--- a/templates/ko/listinfo.html
+++ b/templates/ko/listinfo.html
@@ -113,6 +113,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/lt/listinfo.html b/templates/lt/listinfo.html
index fb95229f..7ed3ea49 100644
--- a/templates/lt/listinfo.html
+++ b/templates/lt/listinfo.html
@@ -114,6 +114,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/nl/listinfo.html b/templates/nl/listinfo.html
index 65eb4f7d..ae2f2a5a 100644
--- a/templates/nl/listinfo.html
+++ b/templates/nl/listinfo.html
@@ -109,6 +109,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/no/listinfo.html b/templates/no/listinfo.html
index 90468069..ed218fa1 100644
--- a/templates/no/listinfo.html
+++ b/templates/no/listinfo.html
@@ -109,6 +109,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/pl/listinfo.html b/templates/pl/listinfo.html
index 457a83b2..4468c976 100644
--- a/templates/pl/listinfo.html
+++ b/templates/pl/listinfo.html
@@ -114,6 +114,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/pt/listinfo.html b/templates/pt/listinfo.html
index 5b6e8e6f..400d38e7 100644
--- a/templates/pt/listinfo.html
+++ b/templates/pt/listinfo.html
@@ -115,6 +115,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/pt_BR/listinfo.html b/templates/pt_BR/listinfo.html
index 026f29fd..656931cf 100644
--- a/templates/pt_BR/listinfo.html
+++ b/templates/pt_BR/listinfo.html
@@ -116,6 +116,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/ro/listinfo.html b/templates/ro/listinfo.html
index 8fedf57c..4a549828 100644
--- a/templates/ro/listinfo.html
+++ b/templates/ro/listinfo.html
@@ -110,6 +110,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/ru/listinfo.html b/templates/ru/listinfo.html
index 87f4b12d..8568c7af 100644
--- a/templates/ru/listinfo.html
+++ b/templates/ru/listinfo.html
@@ -101,6 +101,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/sk/listinfo.html b/templates/sk/listinfo.html
index 0e9e2bea..b89d0a19 100644
--- a/templates/sk/listinfo.html
+++ b/templates/sk/listinfo.html
@@ -118,6 +118,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/sl/listinfo.html b/templates/sl/listinfo.html
index a6d3108e..84c676a9 100644
--- a/templates/sl/listinfo.html
+++ b/templates/sl/listinfo.html
@@ -113,6 +113,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/sr/listinfo.html b/templates/sr/listinfo.html
index d4f601a7..81fc6938 100644
--- a/templates/sr/listinfo.html
+++ b/templates/sr/listinfo.html
@@ -98,6 +98,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3"> <center>
<MM-Subscribe-Button></center>
diff --git a/templates/sv/listinfo.html b/templates/sv/listinfo.html
index d2824096..0470d725 100644
--- a/templates/sv/listinfo.html
+++ b/templates/sv/listinfo.html
@@ -95,6 +95,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/tr/listinfo.html b/templates/tr/listinfo.html
index 8d7fdf3a..8cbc23d4 100644
--- a/templates/tr/listinfo.html
+++ b/templates/tr/listinfo.html
@@ -116,6 +116,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/uk/listinfo.html b/templates/uk/listinfo.html
index b881ff3a..b3aec00e 100644
--- a/templates/uk/listinfo.html
+++ b/templates/uk/listinfo.html
@@ -112,6 +112,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/vi/listinfo.html b/templates/vi/listinfo.html
index 5b864d3e..7d28de56 100644
--- a/templates/vi/listinfo.html
+++ b/templates/vi/listinfo.html
@@ -103,6 +103,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/zh_CN/listinfo.html b/templates/zh_CN/listinfo.html
index c329aa27..7ddb2f68 100644
--- a/templates/zh_CN/listinfo.html
+++ b/templates/zh_CN/listinfo.html
@@ -108,6 +108,7 @@
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>
diff --git a/templates/zh_TW/listinfo.html b/templates/zh_TW/listinfo.html
index dd066425..bc36e5f0 100644
--- a/templates/zh_TW/listinfo.html
+++ b/templates/zh_TW/listinfo.html
@@ -101,6 +101,7 @@ HREF="mailto:<MM-Posting-Addr>"><MM-Posting-Addr></A>。
</tr>
<mm-digest-question-end>
<mm-recaptcha-ui>
+ <mm-captcha-ui>
<tr>
<td colspan="3">
<center><MM-Subscribe-Button></center>