Exchange 2007 environment. A user on our domain tries sending an email to an external recipient and receives the following: host mail.recipient.com[xxx.xx.xxx.xx] said: 554 5.7.1 This message has ...
We recently switched ISP's and I'm trying to make sure there are no mail flow problems. I noticed under my Organization -> Hub Transport -> Send Connectors that my send connector FQDN setting is the ...
I recently confront a problem that i think it will become a major situation on the near future. My ISP blocked the port 25 against spamming. Now I'm forced to fix this situation on another port, so I ...
Just like the title says: if you have multiple smarthosts in an Exchange 2007 Send Connector, what order, if any, are the hosts tried? Random (roundrobin like behavior) or top to bottom?