[ZPT] Symantec Mail Security detected an executable file in a message sent from your address. (SYM:37909242940700026728)

[Antivirus at heraldnet.com]

Subject of the message: Mail Delivery (failure mcdonald at heraldnet.com) [mx]
Recipient of the message: "mcdonald at heraldnet.com" <mcdonald at heraldnet.com>
If this is a legitimate file, add a 2 to the end of the file extension e.g. .zip2