[FIX] mail: to prevent infinite loop
[FIX] mail: to prevent infinite loop

Introduced by fac04424caa095511b0f809b351fc2af0a5942cc

vnsofthe/odoo,vnsofthe/odoo,microcom/odoo,dfang/odoo,Elico-Corp/odoo_OCB,Daniel-CA/odoo,Adel-Magebinary/odoo,bplancher/odoo,eino-makitalo/odoo,storm-computers/odoo,shingonoide/odoo,eino-makitalo/odoo,glovebx/odoo,provaleks/o8,ehirt/odoo,Endika/odoo,Nowheresly/odoo,Noviat/odoo,vnsofthe/odoo,Adel-Magebinary/odoo,datenbetrieb/odoo,laslabs/odoo,makinacorpus/odoo,Elico-Corp/odoo_OCB,dfang/odoo,dfang/odoo,shingonoide/odoo,Noviat/odoo,Nowheresly/odoo,ehirt/odoo,laslabs/odoo,storm-computers/odoo,provaleks/o8,provaleks/o8,hip-odoo/odoo,mustafat/odoo-1,shingonoide/odoo,hip-odoo/odoo,eino-makitalo/odoo,vnsofthe/odoo,BT-ojossen/odoo,funkring/fdoo,Daniel-CA/odoo,bplancher/odoo,makinacorpus/odoo,spadae22/odoo,leorochael/odoo,tvibliani/odoo,BT-ojossen/odoo,Nowheresly/odoo,leorochael/odoo,Elico-Corp/odoo_OCB,dfang/odoo,ygol/odoo,Daniel-CA/odoo,mustafat/odoo-1,eino-makitalo/odoo,hassoon3/odoo,NeovaHealth/odoo,hassoon3/odoo,Endika/odoo,synconics/odoo,eino-makitalo/odoo,dfang/odoo,Adel-Magebinary/odoo,OpenUpgrade/OpenUpgrade,ehirt/odoo,odootr/odoo,hip-odoo/odoo,Endika/odoo,odootr/odoo,microcom/odoo,alexcuellar/odoo,shingonoide/odoo,synconics/odoo,Endika/odoo,Nowheresly/odoo,tvibliani/odoo,synconics/odoo,BT-ojossen/odoo,laslabs/odoo,datenbetrieb/odoo,Daniel-CA/odoo,makinacorpus/odoo,Daniel-CA/odoo,BT-ojossen/odoo,funkring/fdoo,funkring/fdoo,eino-makitalo/odoo,Elico-Corp/odoo_OCB,makinacorpus/odoo,laslabs/odoo,provaleks/o8,storm-computers/odoo,ygol/odoo,CatsAndDogsbvba/odoo,leorochael/odoo,NeovaHealth/odoo,datenbetrieb/odoo,OpenUpgrade/OpenUpgrade,glovebx/odoo,makinacorpus/odoo,mustafat/odoo-1,shingonoide/odoo,funkring/fdoo,makinacorpus/odoo,tvibliani/odoo,mustafat/odoo-1,hassoon3/odoo,Noviat/odoo,odootr/odoo,jfpla/odoo,funkring/fdoo,OpenUpgrade/OpenUpgrade,hip-odoo/odoo,provaleks/o8,datenbetrieb/odoo,Nowheresly/odoo,BT-ojossen/odoo,microcom/odoo,Noviat/odoo,diagramsoftware/odoo,jfpla/odoo,provaleks/o8,makinacorpus/odoo,diagramsoftware/odoo,bplancher/odoo,tvibliani/odoo,alexcuellar/odoo,BT-ojossen/odoo,Elico-Corp/odoo_OCB,bplancher/odoo,leorochael/odoo,bplancher/odoo,Endika/odoo,alexcuellar/odoo,diagramsoftware/odoo,CatsAndDogsbvba/odoo,vnsofthe/odoo,glovebx/odoo,glovebx/odoo,hassoon3/odoo,microcom/odoo,BT-ojossen/odoo,datenbetrieb/odoo,synconics/odoo,alexcuellar/odoo,storm-computers/odoo,OpenUpgrade/OpenUpgrade,ehirt/odoo,odootr/odoo,glovebx/odoo,Endika/odoo,CatsAndDogsbvba/odoo,jfpla/odoo,leorochael/odoo,NeovaHealth/odoo,datenbetrieb/odoo,funkring/fdoo,Daniel-CA/odoo,laslabs/odoo,odootr/odoo,Nowheresly/odoo,ygol/odoo,diagramsoftware/odoo,NeovaHealth/odoo,jfpla/odoo,synconics/odoo,vnsofthe/odoo,synconics/odoo,laslabs/odoo,mustafat/odoo-1,alexcuellar/odoo,funkring/fdoo,hassoon3/odoo,mustafat/odoo-1,storm-computers/odoo,NeovaHealth/odoo,jfpla/odoo,tvibliani/odoo,spadae22/odoo,CatsAndDogsbvba/odoo,spadae22/odoo,Adel-Magebinary/odoo,odootr/odoo,Noviat/odoo,Daniel-CA/odoo,jfpla/odoo,glovebx/odoo,microcom/odoo,Adel-Magebinary/odoo,NeovaHealth/odoo,ygol/odoo,alexcuellar/odoo,Nowheresly/odoo,spadae22/odoo,tvibliani/odoo,ehirt/odoo,hassoon3/odoo,Adel-Magebinary/odoo,CatsAndDogsbvba/odoo,jfpla/odoo,Adel-Magebinary/odoo,OpenUpgrade/OpenUpgrade,odootr/odoo,microcom/odoo,leorochael/odoo,tvibliani/odoo,datenbetrieb/odoo,ehirt/odoo,shingonoide/odoo,Noviat/odoo,diagramsoftware/odoo,glovebx/odoo,NeovaHealth/odoo,Endika/odoo,spadae22/odoo,OpenUpgrade/OpenUpgrade,dfang/odoo,synconics/odoo,CatsAndDogsbvba/odoo,Noviat/odoo,shingonoide/odoo,eino-makitalo/odoo,mustafat/odoo-1,CatsAndDogsbvba/odoo,OpenUpgrade/OpenUpgrade,ehirt/odoo,ygol/odoo,ygol/odoo,vnsofthe/odoo,hip-odoo/odoo,spadae22/odoo,hip-odoo/odoo,provaleks/o8,ygol/odoo,storm-computers/odoo,leorochael/odoo,Elico-Corp/odoo_OCB,spadae22/odoo,diagramsoftware/odoo,diagramsoftware/odoo,bplancher/odoo,alexcuellar/odoo