Form 8332 - Filling MFS - Is E-file possible?

My wife is currently in her home country, and our son (a U.S. citizen) is with her.  She has spent more time with our son in 2024. Long story short, I will be filing as Married Filing Separately (MFS), and since I spent less than six months with my son, I cannot claim him as a dependent on my taxes. However, after doing some research, it seems that I may be able to use Form 8332 to claim him.

 

1) Is there a way to submit Form 8332 via e-file?

2) If I can claim my son using Form 8332, is it possible to claim him even though he has been outside the US for more than 7 months?

3) If I can't e-file Form 8332, do I e-file, and then send Form 8332 via mail to the IRS?