When serving email ads, a Email User ID macro (EUID) is required for proper functionality. This macro must be provided by your newsletter service and must distribute with a unique ID for each recipient. Our list of known newsletter provider macros are shown below.

List of Known Newsletter EUID macros

MailChimp

*|CAMPAIGN_UID|**|UNIQID|*

Oracle Eloqua

<span class=eloquaemail>EmailAddress</span><span class=CampaignId>CampaignId</span>

SailThrough

{{emailnum}}{{time()}}

Emma

[[__member_id__]][[__mailing_id__]]

SendGrid

-customer_id--date--time--

RealMagnet

message_id

Adestra

$AMF_UNIQUE$

ActiveCampaign

%SUBSCRIBERID%%MESSAGEID%