I think the problem is that the Subject headers of these messages contain MIME-encoded newlines:
Subject: =?windows-1255?Q?=E0=E9=EE=E5=EF_=E0=E9=F9=E9_=EC=E9=F8=E9=E3=E4_=E1=E8=E5=E7=E4_=E1=EE=F9=F7=EC=0D=0A?= Subject: =?windows-1255?Q?=E0=FA=F8_=E4=EE=EB=F8=E6=E9=ED_=E4=EE=E5=E1=E9=EC_=E1=EE=E3=E9=F0=E4=0D=0A?= Subject: =?windows-1255?Q?=E0=FA=F8_=E4=EE=EB=F8=E6=E9=ED_=E4=EE=E5=E1=E9=EC_=E1=EE=E3=E9=F0=E4=0D=0A?= Subject: =?windows-1255?Q?=E0=FA=F8_=EE=EB=F8=E6=E9=ED__=EE=E5=E1=E9=EC_=E1=EE=E3=E9=F0=E4=0D=0A?=
I think the problem is that the Subject headers of these messages contain MIME-encoded newlines:
Subject: =?windows- 1255?Q? =E0=E9= EE=E5=EF_ =E0=E9= F9=E9_= EC=E9=F8= E9=E3=E4_ =E1=E8= E5=E7=E4_ =E1=EE= F9=F7=EC= 0D=0A?= 1255?Q? =E0=FA= F8_=E4= EE=EB=F8= E6=E9=ED_ =E4=EE= E5=E1=E9= EC_=E1= EE=E3=E9= F0=E4=0D= 0A?= 1255?Q? =E0=FA= F8_=E4= EE=EB=F8= E6=E9=ED_ =E4=EE= E5=E1=E9= EC_=E1= EE=E3=E9= F0=E4=0D= 0A?= 1255?Q? =E0=FA= F8_=EE= EB=F8=E6= E9=ED__ =EE=E5= E1=E9=EC_ =E1=EE= E3=E9=F0= E4=0D=0A? =
Subject: =?windows-
Subject: =?windows-
Subject: =?windows-