Activity Log Shows Email Opened But No Email Sent

[PKM3328]

I'm wondering why there is a discrepancy in the activity log and what could be causing it. In 2 customers activity logs, it shows that they opened an email from a nurture. But theres nothing in the activity log showing that the email was sent. Any reasons why this is happening?

[Darshil_Shah1]

Can you figure out how long ago this particular email could have been sent (if you had a program/campaign for it -- you can look at the date/time of send). If it's from before 90 days, Marketo would have purged send email activities (high-volume activities are purged from the act log after a 90-day period). You should check the article below to know more about Marketo's retention policy.

Marketo Activities Data Retention Policy

[SanfordWhiteman]

@PKM3328 please return to your thread and check replies

[SanfordWhiteman]

Sent Email logs are only kept for 90 days. Opens can occur far later, either by humans or by mail scanners.