Similar data point here. One single WM MO to meet the spend requirement, and DD was met by ACH from Amazon Payments:
Recently, you contacted Citibank regarding your participation in Promotion CMEB, which offered 30,000 AAdvantage miles if certain terms and conditions were met. We appreciate your patience while waiting for our response.
We have confirmed that your account has met the necessary requirements to qualify. Please allow 90 days from the date of the qualifying transaction(s), which satisfied the terms and conditions, to receive your incentive.
Thank you for participating in Citibank¿s promotion.
If you have any further questions regarding your account, please contact CitiPhone Customer Service at 1-800-627-3999 or 1-800-360-2484 for a Spanish-speaking representative. Speech or hearing impaired customers may call the text telephone service at 1-800-945-0258. Representatives are available to assist you 24 hours a day, 7 days a week. You may also access your account information online at www.citibankonline.com.
Sincerely,
A.N
Client Research