MailmanLists' servers are well maintained with routine software updates and SSL certificate renewals applied every few weeks. During these updates interruptions can occur for a few minutes. System upgrades are done every few months and outages are then 30–60 minutes. Any messages posted during these times get queued and delivered when the service is resumed.

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It's currently 7:45 pm on Sunday, 17 November 2019 (GMT).

Maintenance schedule
Server GMT Local time Interruption
London, UK 10:00 pm 17 November 2019 10:00 pm 17 November 2019 (GMT) Less than 5 minutes
Amsterdam, Netherlands 2:00 am 24 November 2019 3:00 am 24 November 2019 (CET) Less than 5 minutes