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Hi, can someone help me with this issue?When I sent message through Ironport, email is delivered to recipient without any problem. But when I sent the same message again (eg. after 2 sec,) the Ironport responed with this error: Reason: 5.1.0 - Unknow...
Hi, I have a question regarding centralized management.I had standalone applliance (IronPort 1) with complete configuration and then created a cluster and joined another appliance (IronPort 2). IP2 is used for failover in case of IP1 failure. Now I h...
After using tcpdump, we observed that Internet gateway respond with this error message:Unsupported SMTP parameter (Data Size (> 20000000)) from initiator (172.16.x.x:12628)but we sent 2 emails, each email 12kB. After setting the limit size to 4GB, it...
