I have Server 2003 Small Business w/Exchange , and I want to use SenderID. I need to change my DNS settings to update the SPF record, but my domain name (mailer.domain.com) which is hosted by 1and1.com, and they dont use .txt record to edit the DNS. Is there anything I can do to use SenderID, or a way to test to make sure it work, I am very new to Server 2003 environment ?
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