[Mailman-Users] mailing list just stopped working

We have version 2.1.5 running off our server and have been using it for over a year and it has worked great. All of a sudden - and we haven't touched a thing server-side, we no longer are able to write to our mailing list. Nothing appears in the archive, the message is definitely sent, but the

Re: [Mailman-Users] mailing list just stopped working

We have version 2.1.5 running off our server and have been using it for over a year and it has worked great. All of a sudden - and we haven't touched a thing server-side, we no longer are able to write to our mailing list. Nothing appears in the archive, the message is definitely sent, but