Novell GroupWise 7
Novell GroupWise Internet Agent (GWIA)
Error: 550 Host unknown (/maxdeferhours=96)
Unable to send any outbound messages.
Users getting undeliverable message on every outbound
Open GWIA.CFG file.
Look for the switch "/mh="
Remark out this switch in GWIA.CFG.
In this case /mh switch had no IP Address or DNS Name
associated with it and was followed with another switch
/maxdeferhours=96. GWIA was trying to relay mail to a Host Name of
/maxdeferhours and failing.
The /mh switch specifies the IP address or DNS host name of a
relay host that you want the Internet Agent to use for outbound
The /maxdeferhours switch overrides the number of
hours after which the Internet Agent will stop trying to send
deferred messages. The default is 96 hours, or four days. A
deferred message is any message that couldn't be sent because of a
temporary problem (host down, MX record not found, and so