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Today we've released UTM 9.510. The release will be rolled out in phases. In phase 1 you can download the update package from our FTP server, in phase 2 we will spread it via our Up2Date servers.
Update: We replaced the update from 9.509 to 9.510 on our FTP server to address two issues. We also uploaded the update for all who have installed the previous one.
smtp proxy with callout verification is broken with as noted in the thread twister5800 linked to. I see a lot of errors especially with outlook.com and even other UTM 9.510 smtp proxy servers.
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