Interesting points that the antifraud is aggravated by and you can pay attention to.
Points are mainly +3 +5 +8 and the same with negative values. Where there is a particularly large minus, I have indicated in brackets.
Those that increase trust points:

2 other guest email addresses viewed the pop-up/clicked modal
-

1 other guest email address viewed the pop-up
-

Repeat customer with fulfilled order status from more than 1 month
-

Repeat customer with fulfilled order from more than 1 week to 1 month
-

Repeat customer with fulfilled order from more than 2 days to 1 week
-

Repeat recipient email with fulfilled order from 1 week to 1 month (not same gifter)
-

Repeat recipient email with fulfilled order from 2 days to 1 week (not same gifter)
-

Personal message is over 60 characters
-

PayPal email the same as user email
-

User name contains the word "family"
-

Recipient name contains "family"

Cardholder name contains gifter last name
-

Gifter email address end .edu, .org, .gov
-

Recipients email ends .edu, .org, .gov
-

gmail or yahoo address used for either
-

first/last name of gifter includes "and"or"&"
-

first/last name of giftee includes "and"or"&"
-

Order is for a product (instead of a gift card so uneven value)
-

Repeat recipient email with fulfilled order from more than 1 month (not same gifter)

Scheduled gifting

scheduled greeting cards sent more than 4

scheduled greeting cards sent more than 2

scheduled date more than 1 month

first gift sent over 1 year

first gift sent over 6 months

more than 3 greeting cards sent

first greeting card sent over 1 year

first greeting card sent over 6 months

Personal message is over 150 characters

Personal message is over 20 characters

Forter Approved (+100 points)
Which increase fraud points:

️1 Failed transaction with success on same card/paypal (last 24h)

️1 Failed transaction with success on different card/paypal (last 24h)

️2 or more Failed transactions same card with success on same card/paypal (last 24h)

️2 or more Failed transactions same card with success on different card/paypal (last 24h)

️IP address location in different state to zip code

️Repeat fulfilled customer from last 48 hours (no previous history)

️Repeat fulfilled customer from last 24 hours (no prevous history)

️Repeat unfulfilled customer (no previous history)

️IP address outside US / Country listed is not US

️Other modal click or purchased email addresses have the same IP address

️2+digits in both email addresses (gifter and giftee)

️5+digits in one email address (gifter and giftee)

️Homepage source

️2 or more Failed transactions with different cards (last 24h) - (there’s a really bad minus here)

️IP address from Canada

️Previous order with fraud status not in 1,6,11,16 — (evil minus)

️3+ digits in both email addresses (gifter and giftee)

️No Source

️paste gifter name

️paste gifter email

️paste giftee name

️paste giftee email

️paste card number

️paste name on card (Evil minus)

️Address and ZIP Code - No Match

️AVS data provided is invalid or AVS is not allowed for the card type that was used

️The AVS system was unavailable at the time of processing

️The U.S. card issuing bank does not support AVS

️Repeat fulfilled giftee from last 48 hours (no previous history)

️Repeat fulfilled giftee from last 24 hours (no prevous history)

️Repeat unfulfilled giftee (no previous history)

️Forter Declined (-100 points)

️No Greeting Cards Sent

️first greeting card sent over 1 week (angry minus)

️first greeting card sent less than 1 week (-200 points)

️first greeting card sent error no date (-100)

️CVV mismatch rule (-70)

️last 24 hours total ordered above 4000 (-500)

️last 24 hours total ordered above 1000 (-500)

️fraud email domains (Evil minus)

️gifter email equals giftee email (-50)

️Redeem links of the same gifter email accessed outside USA

️same recipient email and name last 7 days 2 or more matches

️first gift sent over 1 week

️first gift sent less than 1 week (-200)