Problem
I want to add a priority status for compatible email clients when using CFMAIL.
Solution
ColdFusion 4.5 introduced the child tag CFMAILPARAM allowing you to add mail headers to a message but ColdFusion 8 changed priority into an attribute of CFMAIL.
Detailed explanation
ColdFusion 4.5 introduced the child tag CFMAILPARAM allowing you to add attachments and mail headers, including priority, to a message:
<cfmail from="fromaddress" to="toaddress" subject="mail subject"> <cfmailparam name="priority" value="high" /> Body </cfmail>
ColdFusion 8 changed this a little. The above code is still
valid for adding a priority, but 'priority' is now an attribute in
the CFMAIL tag. The values the priority attribute can accept have
also been extended to allow integer values 1-5, 1 being the highest
priority.
<cfmail from="fromaddress" to="toaddress" subject="mail subject" priority="1"> Body </cfmail>
The primary advantage of this change, I believe, is simply that
it is cleaner to read.
ColdFusion 8 also added useSSL and useTLS attributes to
CFMAIL
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