English as a second language

This is why spammers won't catch anyone who is paying attention, ie, people who read their spam for entertainment:

Dear US Bank Member,

You have received this email as part of a Verified Visa campaign meant to increase security for your credit card against online credit card fraud.

Verified Visa has detected that you have been using this email address for online purchases and in order to protect yourself against online credit card fraud we would like to introduce you to a new system that will protect you against frauds.

You can associate your email address to your credit card and receive a password that you will use for any online purchase. Also you will be notified by Verified Visa when an online purchase is made.

Follow the below and go to Verified Visa. You can join the Verified Visa system or learn more about this.
[nicely chosen link to Poland]

I only found five moderately annoying grammar/usage/punctuation mistakes, so apparently their grasp of English is improving over there, but it still doesn't make up for the fact they forgot to sign it.