oe removing files

[Guest]

I receive a message that OE removed access to the
following unsafe attachment. I know the person and I know
the attachment is ok How do I stop This

 

[Gordon]

I receive a message that OE removed access to the
following unsafe attachment. I know the person and I know
the attachment is ok How do I stop This

In OE, Tools-Options-Security for the 130,000th time.......