In one of the ET calls https://docs.einsteintoolkit.org/et-docs/Meeting_agenda#2019-12-05 it was reported that Email from (some) GMail servers rejected by mailing list a potential spam. This means that the spam filter rejects some gmail servers and affects colleagues whose institutions use gmail for university addresses.

To fix or at least ameliorate the issue

• possibly add info about this issue on contact website to contact us
• investigate setup of mailing list server

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Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2362/et-mailing-list-spam-filter-occasionally