The mailing list for listmasters using Sympa

[Steve Shipway <address@concealed>]

On Wed, 2020-04-15 at 14:32 +0200, Peter Heitzer wrote:

> In search for a replacement of our currently used mailing list system (Mailman2.x) I found sympa. I could install a small test system with working ldap authentication rather easily.
> After reading the docs a few unresolved questions about authorization scenari arised.
> Is it possible to restrict the request for a new list in a scenari so that only users authenticated via ldap are allowed to request a new list?

As many have told you, this is absolutely possible, and I'd definitely recommend Sympa as a top candidate.

I migrated several very large Mailman systems into a single Sympa system about 10y ago (at my last employer) with great success. The only issues I had at migration were that the mailman2sympa migration utility cached list membership, so when I ran the 'real' migration it used some of the data cached form the 'test' migration the previous week.

Also, because Mailman uses a 'whitelist/modlist/blacklist' set of rules for posting, this didnt map so perfectly to Sympa's way of doing things - for some lists, we ended up with a lot of configured moderators to allow posting.

We developed a whitelist/modlist plugin for sympa to complement the existing blacklist functionality as some of our list owners wanted to continue working that way.

Being able to get rid of the 'daisy-chained lists' we used in mailman and replace with Sympa's 'external datasource - list membership' instead was a lot better for list members and owners. Linking Sympa to our single-signon SAML also made things far easier for list management. The API was a bit sparse but still able to integrate with all the other systems allowing us to consolidate a big variety of list management systems into a single multi-domain Sympa installation

Steve

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Steve Shipway | Senior Email Systems Administrator 
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