What is the ecard number format? Why do I get an "Invalid ecard number" error?

All ecards that are sent using the 123greetings.com system are stored on the 123greetings.com servers.

To ensure that your personal communication is safe & secure, our system assigns a 20 digit number to each and every ecard. The 20 digits are assigned based on complex algorithms to prevent anybody from accessing your personal communication.

Kindly ensure that you have copied the ecard number properly from the website/ email and pasted the same into the search box. Any other arbitrary numbers, if keyed in as an ecard number, will not be accepted by the program.