xf_mail_queue.ibd doubled overnight. 30gb to 60gb. can I zero out the table?

[Rom]

xf_mail_queue.ibd doubled overnight. 30gb to 60gb. can I zero out the table? It's pushed my space to maxed out and board ia not functioning. I am afraid if I add server space whatever is going on will eat that until I can fix it. thanks for any help.
xf_mail_queue.ibd doubled overnight. 30gb to 60gb. can I zero out the table?

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