Below are the macros for some of the most popular email platforms.

Most Popular

INDIE EMAIL
%SUBSCRIBERID%%MESSAGEID%

MAILCHIMP
*|CAMPAIGN_UID|*-*|UNIQID|*

Other Platforms

ACTIVE CAMPAIGN
%SUBSCRIBERID%%MESSAGEID%

ADESTRA
$AMF_UNIQUE$

EMMA
[[__member_id__]][[__mailing_id__]]

HUBSPOT
{{contact.firstname}}{{contact.hs_object_id}}

MAILPOET
[subscriber:email][date:d][date:m][date:y][newsletter:number]

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

PARDOT
{{Recipient.ID}}{{Current_Day}}{{Current_Month}}{{Current_Year}}

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

SENDGRID
-customer_id--date--time--

ZOHO
$[EMAIL]$_$[UD:ADBUTLER_UNIQUE|AB_UQ|AB_UQ]$