There are a couple of posts on migrating googlegroups to discourse using scrapers but I’d also like to have new messages that are delivered there be forwarded automatically to Discourse. The first steps are easy enough: add the email address of a Discourse category to the googlegroup in question (at googlegroups use the direct-add option so that it doesn’t need a confirmation email) go to the Discourse settings and turn off “block auto generated emails” or the messages will all bounce because Discourse detects that it came via a mailing list (and will email the user of the googlegroup!) BUT the emails still don’t get through because the “To:” field of the emails from googlemail is the address of the whereas the “Delivered to:” address is the one we need. I don’t suppose anyone knows a way to get around this?

Having a robust mechanism for running the Google group and discourse in parallel would be ideal during migration. I’d be happy with a “capture all Google group content and migrate only” approach; ie. Any new discourse posts would NOT be synced back to the mailing list. This would help capture rogue emails, recalcitrant list members and stop the need for just “ending” the list overnight.

Any thoughts on this @zogstrip?

Agreed. We don’t need or want 2-way sync, just message forwarding

We’ve been contemplating this for some time now. Initial thoughts by @sam here: [图片] MOSS Roadmap - Mailing lists Feature One feature I would like us to work on is having Discourse act as a “web archive” for an active mailing list. This simplifies migration off mailing lists and allows us to live side by side with existing software and help many open source projects out there. For example: Say we could simply run a simple script to download all the mbox files here: http://www.postgresql.org/list/pgsql-general/ and then import into a Discourse instance. http://www.postgresql.org/list/pgsql-general/ could simply b… The ideal scenario being: [图片]MOSS Roadmap - Mailing lists Imagine if you could just enter a single web address into your Discourse instance (pointing at mailman archives) and it took care of all of the magic for you.

That would be even better! I was just thinking that allowing the “Delivered to:” field to be checked would make this roughly work with very little effort at the dev end (it might not solve all the problems, actually, but it would solve the current block)

On a similar line I actually wrote a little Python script to forward the old emails from the group using an IMAP/SMTP combo. In theory it was nice: I could detect the intended category of quite a lot of the messages based on their content and direct them to the appropriate discourse mailbox doesn’t need access the docker container or change anything directly on the server the date of the post is used correctly (i.e. we can post in the past!) unlike the googlegroup scraper(?) Unfortunately I ran into a few problems with email rejections and bounces; I guess it looked too much like the forum was being spammed by new users and I didn’t have time (yet) to go through the settings to work out how to make discourse temporarily relaxed enough to let in all the posts from new staged users. In case anyone wants to play with it: from __future__ import unicode_literals from datetime import date import imaplib import smtplib import email import getpass import time sent = [] testing = False #from HOST = 'imap.googlemail.com' USERNAME = 'user.name' PASSWORD = getpass.getpass() ssl = True fromDate = "01-July-2016" toDate = "10-July-2016" toSearch = [ # search these mailboxes with associated terms {'mbox':'read_mail', 'term':'TO "psychopy-users@googlegroups.com"'}, {'mbox':'psychopy-dev', 'term':'TO "psychopy-dev@googlegroups.com"'}, ] # smtp server # DON't USE smtp.gmail as it converts the From: field to be that account outbox = smtplib.SMTP('smtp.server.address:port') # imap server client = imaplib.IMAP4_SSL(HOST) client.login(USERNAME, PASSWORD) # print client.list() # show valid mailboxes # some helper functions to search for terms def is_(msg, terms, notTerms): guess = False terms = ['routine','flow','builder','graphical'] notTerms = ['coder'] # indicates ambiguous text #look for hopeful terms for thisTerm in terms: try: if thisTerm in msg: guess = True break except: # will fail if encoding error return False # then vito with notTerms for thisTerm in notTerms: if thisTerm in msg: return False return guess def isBuilder(msg): terms = ['routine','flow','builder','graphical'] notTerms = ['coder'] # indicates ambiguous text guess = is_(msg, terms, notTerms) return guess def isCoder(msg): terms = ['import', 'iohub', 'script'] notTerms = ['builder'] # indicates ambiguous text guess = is_(msg, terms, notTerms) return guess # store topic names that we already categorised # or we could end up in different categories for a single topic knownTopics = {} # just for info to keep track nBuilder=0 nCoder = 0 nUnknown = 0 nDev = 0 # do the actual work for search in toSearch: # set the location and term for this search client.select(search['mbox']) # select that mailbox/folder searchPhrase = '(%s SINCE "%s" BEFORE "%s")' %(search['term'], fromDate, toDate) status, response = client.search(None, searchPhrase) # then loop over results msgIDs = response[0].split() for msgID in msgIDs: if msgID in sent: continue status, email_data = client.fetch(msgID, "(RFC822)") env, msg = email_data[0] message = email.message_from_string(msg) subj = message['Subject'] #try to determine target if 'dev' in search['term']: target = "psychopy+dev@discoursemail.com" nDev += 1 elif isBuilder(msg): target = "psychopy+builder@discoursemail.com" nBuilder += 1 elif isCoder(msg): target = "psychopy+coder@discoursemail.com" nCoder += 1 else: target = "psychopy+other@discoursemail.com" nUnknown += 1 knownTopics[subj[-15:]] = target # make sure the "To:" field matches the target address message.replace_header("To", target) print("%s: %s - %s" %(msgID, message['From'], message['Subject'])) print(" -> %s" %(target)) if not testing: outbox.sendmail(message['From'], target, message.as_string()) time.sleep(2.0) # could adjust to slow this down and look more "human"? sent.append(msgID) print("Builder=%i, Coder=%i, Dev=%i, Unknown=%i" %(nBuilder, nCoder, nDev, nUnknown)) print(sent) # could use this to store handled messages for next run

Can you PM me the raw version of an email with that Delivered-To header? We’re already supporting this “destination” but I need to test to make sure it works properly.

Just pushed a fix that should allow you to support your use case. This will try to process incoming email on all its “destination” fields before rejecting it. https://github.com/discourse/discourse/commit/323bd555c05f04de74110ed02375209e71b57a30

Cool. Thanks. :slight_smile: How often roughly do the hosted discourse server get updated with things like this? We have an open-source hosted package.

Forwarding new posts from googlegroup to Discourse

Product Support

zogstrip (Régis HANOL) 2016 年8 月 3 日 15:23 11

Our hosted customers are updated at least every week (unless we’re doing a huge refactor).

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Forwarding new posts from googlegroup to Discourse

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