diff --git a/weboob/backends/phpbb/backend.py b/weboob/backends/phpbb/backend.py
index c1279aa9..42ac3a2a 100644
--- a/weboob/backends/phpbb/backend.py
+++ b/weboob/backends/phpbb/backend.py
@@ -24,10 +24,10 @@ from weboob.tools.backend import BaseBackend, BackendConfig
 from weboob.tools.newsfeed import Newsfeed
 from weboob.tools.value import Value, ValueInt, ValueBackendPassword
 from weboob.tools.misc import limit
-from weboob.capabilities.messages import ICapMessages, ICapMessagesPost, Message, Thread
+from weboob.capabilities.messages import ICapMessages, ICapMessagesPost, Message, Thread, CantSendMessage
 
 from .browser import PhpBB
-from .tools import rssid, url2id, id2url
+from .tools import rssid, url2id, id2url, id2topic
 
 
 __all__ = ['PhpBBBackend']
@@ -87,9 +87,9 @@ class PhpBBBackend(BaseBackend, ICapMessages, ICapMessagesPost):
             thread = id
             id = thread.id
 
-        thread_id = url2id(id) or id
+        thread_id = url2id(id, nopost=True) or id
         try:
-            last_seen_id = self.storage.get('seen', default={})[url2id(thread_id)]
+            last_seen_id = self.storage.get('seen', default={})[id2topic(thread_id)]
         except KeyError:
             last_seen_id = 0
 
@@ -135,11 +135,10 @@ class PhpBBBackend(BaseBackend, ICapMessages, ICapMessagesPost):
             url = self.browser.get_root_feed_url()
             for article in Newsfeed(url, rssid).iter_entries():
                 id = url2id(article.link)
-                thread_id, message_id = [int(v) for v in id.split('.')]
-                thread = Thread(thread_id)
+                thread = None
 
                 try:
-                    last_seen_id = self.storage.get('seen', default={})[thread.id]
+                    last_seen_id = self.storage.get('seen', default={})[id2topic(id)]
                 except KeyError:
                     last_seen_id = 0
 
@@ -148,6 +147,8 @@ class PhpBBBackend(BaseBackend, ICapMessages, ICapMessagesPost):
                 if self.config['thread_unread_messages'].get() > 0:
                     iterator = limit(iterator, self.config['thread_unread_messages'].get())
                 for post in iterator:
+                    if not thread:
+                        thread = Thread('%s.%s' % (post.forum_id, post.topic_id))
                     message = self._post2message(thread, post)
 
                     if child:
@@ -163,12 +164,12 @@ class PhpBBBackend(BaseBackend, ICapMessages, ICapMessagesPost):
 
     def set_message_read(self, message):
         try:
-            last_seen_id = self.storage.get('seen', default={})[message.thread.id]
+            last_seen_id = self.storage.get('seen', default={})[id2topic(message.thread.id)]
         except KeyError:
             last_seen_id = 0
 
         if message.id > last_seen_id:
-            self.storage.set('seen', int(message.thread.id), message.id)
+            self.storage.set('seen', id2topic(message.thread.id), message.id)
             self.storage.save()
 
     def fill_thread(self, thread, fields):
@@ -178,8 +179,20 @@ class PhpBBBackend(BaseBackend, ICapMessages, ICapMessagesPost):
     def post_message(self, message):
         assert message.thread
 
+        forum = 0
+        topic = 0
+        if message.thread:
+            try:
+                if '.' in message.thread.id:
+                    forum, topic = [int(i) for i in message.thread.id.split('.', 1)]
+                else:
+                    forum = int(message.thread.id)
+            except ValueError:
+                raise CantSendMessage('Thread ID must be in form "FORUM_ID[.TOPIC_ID]".')
+
         with self.browser:
-            return self.browser.post_answer(message.thread.id if message.thread else 0,
+            return self.browser.post_answer(forum,
+                                            topic,
                                             message.title,
                                             message.content)
 
diff --git a/weboob/backends/phpbb/browser.py b/weboob/backends/phpbb/browser.py
index 5356ac9b..9cc2f728 100644
--- a/weboob/backends/phpbb/browser.py
+++ b/weboob/backends/phpbb/browser.py
@@ -18,6 +18,7 @@
 # along with weboob. If not, see <http://www.gnu.org/licenses/>.
 
 
+import re
 import urllib
 from urlparse import urlsplit
 
@@ -28,6 +29,10 @@ from .pages.index import LoginPage
 from .pages.forum import ForumPage, TopicPage, PostingPage
 from .tools import id2url, url2id
 
+
+__all__ = ['PhpBB']
+
+
 # Browser
 class PhpBB(BaseBrowser):
     PAGES = {'https?://.*/index.php':                 ForumPage,
@@ -93,7 +98,7 @@ class PhpBB(BaseBrowser):
         parent = 0
         while 1:
             for post in self.page.iter_posts():
-                if post.id >= stop_id:
+                if stop_id and post.id >= stop_id:
                     return
 
                 post.parent = parent
@@ -145,11 +150,39 @@ class PhpBB(BaseBrowser):
 
         return post
 
-    def post_answer(self, topic, title, content):
-        if topic == 0:
-            raise CantSendMessage('Unable to create new topic for now')
+    def get_forums(self):
+        self.home()
+        return dict(self.page.iter_all_forums())
+
+    def post_answer(self, forum_id, topic_id, title, content):
+        if topic_id == 0:
+            if not forum_id:
+                forums = self.get_forums()
+                forums_prompt = 'Forums list:\n%s' % ('\n'.join(['\t- %s' % f for f in forums.itervalues()]))
+                m = re.match('\[(.*)\] (.*)', title or '')
+                if not m:
+                    raise CantSendMessage('Please enter a title formatted like that:\n\t"[FORUM] SUBJECT"\n\n%s' % forums_prompt)
+
+                forum_id = None
+                for k,v in forums.iteritems():
+                    if v.lower() == m.group(1).lower():
+                        forum_id = k
+                        break
+
+            if not forum_id:
+                raise CantSendMessage('Forum "%s" not found.\n\n%s' % (m.group(1), forums_prompt))
+
+            self.location('%s/posting.php?mode=post&f=%d' % (self.BASEPATH, forum_id))
+
+            assert self.is_on_page(PostingPage)
+            self.page.post(title, content)
+
+            assert self.is_on_page(PostingPage)
+            error = self.page.get_error_message()
+            if error:
+                raise CantSendMessage(u'Unable to send message: %s' % error)
         else:
-            self.location('%s/%s' % (self.BASEPATH, id2url(topic)))
+            self.location('%s/%s' % (self.BASEPATH, id2url(topic_id)))
             assert self.is_on_page(TopicPage)
 
             self.page.go_reply()
@@ -158,7 +191,7 @@ class PhpBB(BaseBrowser):
             # Don't send title because it isn't needed in real use case
             # and with monboob title is something like:
             #   Re: [Forum Name] Re: Topic Name
-            if title is not None and title.startswith('Re: '):
+            if title is not None and title.startswith('Re:'):
                 title = None
             self.page.post(title, content)
 
diff --git a/weboob/backends/phpbb/pages/forum.py b/weboob/backends/phpbb/pages/forum.py
index 744edfb6..647d747e 100644
--- a/weboob/backends/phpbb/pages/forum.py
+++ b/weboob/backends/phpbb/pages/forum.py
@@ -67,10 +67,19 @@ class ForumPage(PhpBBPage):
             link.nb_messages = int(li.cssselect('dd.posts')[0].text.strip()) + 1
             yield link
 
+    def iter_all_forums(self):
+        for option in self.parser.select(self.document.getroot(), 'select#f', 1).findall('option'):
+            value = int(option.attrib['value'])
+            if value < 0 or not option.text:
+                continue
+
+            yield value, option.text.strip(u'» \xa0\n\r')
+
 class Post(object):
-    def __init__(self, topic, id):
+    def __init__(self, forum_id, topic_id, id):
         self.id = int(id)
-        self.topic = topic
+        self.forum_id = forum_id
+        self.topic_id = topic_id
         self.title = u''
         self.author = u''
         self.date = None
@@ -85,9 +94,14 @@ class TopicPage(PhpBBPage):
         self.cur_page = int(strongs[0].text.strip())
         self.tot_pages = int(strongs[1].text.strip())
 
-        v = urlsplit(self.url)
+        try:
+            url = self.parser.select(self.document.getroot(), 'h2 a', 1).attrib['href']
+        except BrokenPageError, e:
+            url = self.url
+        v = urlsplit(url)
         args = parse_qs(v.query)
         self.topic_id = int(args['t'][0])
+        self.forum_id = int(args['f'][0]) if 'f' in args else 0
 
         self.forum_title = u''
         nav = self.parser.select(self.document.getroot(), 'li.icon-home')
@@ -143,15 +157,15 @@ class TopicPage(PhpBBPage):
         profile = div.cssselect('dl.postprofile')[0]
 
         id = div.attrib['id'][1:]
-        post = Post(self.topic_id, id)
+        post = Post(self.forum_id, self.topic_id, id)
 
-        title = u''
         title_tags = body.cssselect('h3 a')
         if len(title_tags) == 0:
             title_tags = self.document.getroot().cssselect('h2 a')
         if len(title_tags) == 0:
+            title = u''
             self.logger.warning('Unable to parse title')
-        elif title_tags[0].text:
+        else:
             title = title_tags[0].text.strip()
 
         post.title = self.forum_title + title
diff --git a/weboob/backends/phpbb/tools.py b/weboob/backends/phpbb/tools.py
index 8813a5b7..292bf18b 100644
--- a/weboob/backends/phpbb/tools.py
+++ b/weboob/backends/phpbb/tools.py
@@ -24,13 +24,19 @@ from urlparse import urlsplit, parse_qs
 from weboob.tools.misc import local2utc
 
 
-def url2id(url):
+def url2id(url, nopost=False):
     v = urlsplit(url)
     pagename = v.path.split('/')[-1]
     args = parse_qs(v.query)
+    if pagename == 'viewforum.php':
+        return '%d' % int(args['f'][0])
     if pagename == 'viewtopic.php':
-        s = '%d' % int(args['t'][0])
-        if 'p' in args:
+        if 'f' in args:
+            s = '%d' % int(args['f'][0])
+        else:
+            s = '0'
+        s += '.%d' % int(args['t'][0])
+        if 'p' in args and not nopost:
             s += '.%d' % int(args['p'][0])
         return s
 
@@ -39,11 +45,20 @@ def url2id(url):
 def id2url(id):
     v = id.split('.')
     if len(v) == 1:
-        return 'viewtopic.php?t=%d' % int(v[0])
+        return 'viewforum.php?f=%d' % int(v[0])
     if len(v) == 2:
-        return 'viewtopic.php?t=%d&p=%d#p%d' % (int(v[0]),
-                                                int(v[1]),
-                                                int(v[1]))
+        return 'viewtopic.php?f=%d&t=%d' % (int(v[0]), int(v[1]))
+    if len(v) == 3:
+        return 'viewtopic.php?f=%d&t=%d&p=%d#p%d' % (int(v[0]),
+                                                     int(v[1]),
+                                                     int(v[2]),
+                                                     int(v[2]))
+
+def id2topic(id):
+    try:
+        return int(id.split('.')[1])
+    except IndexError:
+        return None
 
 def rssid(id):
     return id