Setting subject of ticket via mail commands

I’ve been trying to set the subject of a ticket via the mail commands
and it lets me but it only takes the first word. I’ve tried enclosing in
quotes, but the it just takes the " or the "\w+ but the split breaks up the rest
of the string on spaces. I’ve tried to change this,
but my changes didn’t work

Is there another way to do this via the mail commands?
TIA

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