This idea has been merged into another idea. To comment or vote on this idea, please visit CRM-I-1812 Make merge fields available in subject line of an email.
Our Membership and Fundraising team would really like to customise their email subjects with Merge Fields from the CRM export definition.
It has been discussed here:
https://community.blackbaud.com/forums/viewtopic/110/29282?post_id=116520#p116520
and more specifically here:
https://community.blackbaud.com/forums/viewtopic/110/29096?post_id=106288#p106288