This was just posted in-game:
[Admin] GM_Bot: We have identified an issue impacting global services (emails, auction house, etc.) and characters on Torchbearer & Indomitable over the past 24 hours and are working to mitigate the issue. Some items placed into the AH or sent via email -
[Admin] GM_Bot: in the past 24 hours may be lost. If you believe you have been impacted, please submit a "Lost Items & Influence claim" request over at cohhc.gg/support so our team can assist.
[Admin] GM_Bot: More information will be posted as soon as possible. Thank you for your patience and understanding.