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Mailing list

From FSCI Wiki
Revision as of 13:26, 11 March 2021 by Akshay (talk | contribs) (How to combat spam)

Mailing lists are very useful communication and coordination tool. FSCI provides mailing lists to Free Libre Open Source (FLOSS) groups and non profit organizations. If you want to open a new public list, please drop a mail at postmaster(at)lists.fsci.org.in.

Environment

Machine Summary

We are on scaleway virtual cloud server.

* Cores : 2 x86 cores
* Memory : 2GB
* Disk : 50GB
* OS : Debian GNU/Linux
* Web Server : Nginx
* List manager : Mailman3
* Host name : lists.fsci.org.in

Coordination

Admins

Abhijith PA, Prinz Piuz, Balasankar C

Admin Documentation

Verify DKIM and other settings for new domains

Create a text file, dkim-test.txt (replace To address with random address generated by https://dkimvalidator.com or https://www.mail-tester.com/)

From: "Test" <test-dkim@mm.gnu.org.in>
To: <random-address>@dkimvalidator.com
Subject: Testing DKIM and other settings for this domain
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit

This email is to test email settings for a domain is correct

and use sendmail command to send it

/usr/sbin/sendmail -t < dkim-test.txt

Remove spam confirmation requests

Too many pending subscription requests can slow down[1] list index. Updating postorius is how to fix this. But in case there's no other way, and removing those requests through frontend [2] is impossible, this can be done:

$ sudo mailman shell -l listname.lists.fsci.org.in
Welcome to the GNU Mailman shell
The variable 'm' is the listname@lists.fsci.org.in mailing list
>>> from zope.component import getUtility
>>> from mailman.interfaces.pending import IPendings
>>> pendings = getUtility(IPendings)
>>> plist = []
>>> for p in pendings.find(m):
...   plist.append(p)
... 
>>> len(plist)
2047
>>> # Let us save the spammer email and when they signed up for analysis
>>> import csv
>>> with open('spam.csv', 'w', newline=) as csvfile:
...     spamwriter = csv.writer(csvfile, delimiter=',')
...     for p in plist:
...         spammer = p[1]
...         spamwriter.writerow([spammer.get('email'), spammer.get('when'), spammer.get('display_name')])
...
>>> # Now on to actually removing spam
>>> from mailman.interfaces.workflow import IWorkflowStateManager
>>> workflow = getUtility(IWorkflowStateManager)
>>> for p in plist:
...     token = p[0]
...     pendings.confirm(token)
...     workflow.discard(token)
...
>>> # Now, we have to commit this transaction to database
>>> from mailman.config import config
>>> config.db.commit()