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Utkarsh Dalal
Utkarsh Dalal

Reputation: 258

AWS SES emails to Gmail accounts flagged as phishing and delayed by 4 minutes

I'm using AWS SES in a Lambda function to send emails. When the email is sent to an Outlook address, or without an attachment to a Gmail address, it is received immediately.

However, when I send an email containing an attachment (in our case an Excel file), the emails are received almost exactly 4 minutes late every time.

I believe that Gmail is flagging our emails with attachments as phishing attempts, as mentioned in this post.

I have enabled SPF, DKIM and DMARC for my domain. Any idea what else I could try to fix this?

This is what our emails look like: delayed email screenshot

Update: This only happens with Excel files. When I send this as a csv file, it is sent immediately.

Upvotes: 1

Views: 380

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