Email Multi destination address

[fleeceable]

I'm using script like this and it works even if one of the emails are empty.

Code:

alarm = grp.getvalue('10/0/31') email1 = grp.getvalue('32/6/1') email2 = grp.getvalue('32/6/2') email3 = grp.getvalue('32/6/3') if email1~='' then   if email2~='' then     if email3~='' then       emails = {email1,email2,email3}     else       emails = {email1,email2}     end   else     emails = {email1}   end else   if email2~='' then     if email3~='' then       emails = {email2,email3}     else       emails = {email2}     end   else     if email3~='' then       emails = {email3}     end   end end   if alarm then   mail(emails, 'MAJA valvekeskuse alarm', 'Tere! <br><br>Valvekeskuse poolt on tuvastatud MAJA häire! Palun vaadake täpsemalt visualiseeringust.<br><br><br><i>See email on genereeritud automaatikasüsteemi poolt. Palun mitte sellele emailile vastata!') end