Sample spam from host srs.smtp.cz (2)

Date From, Subject Body
5 years ago [email protected] (Mail Delivery System)
Undelivered Mail Returned to Sender
This is the mail system at host in.smtp.cz. I'm sorry to have to inform you that your message could
5 years ago [email protected] (Mail Delivery System)
Undelivered Mail Returned to Sender
This is the mail system at host ahop.smtp.cz. I'm sorry to have to inform you that your message coul