Important note about SSL VPN compatibility for 20.0 MR1 with EoL SFOS versions and UTM9 OS. Learn more in the release notes.

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email bounced in MTA mode (failing for a long time(and retry time out not reached))

hi
i have XG430 (SFOS 17.5.14 MR-14-1), it is MTA mode, today i start getting bounced email while sending email to few domain

R=default_mx_router T=remote_smtp: all host for 'goldencedar-gmt.com' have been failing for a long time(and retry time out not reached)

can you please guide how to resolve this issue.



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