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Regular Visitor

Emails Sent by Power Automate Flow Not Reaching Inbox

Hello Power Automate Community,


I'm encountering an issue with a Power Automate flow that utilizes the "Send an email (V2)" action. The flow runs successfully each time, and I can see the sent email in my Outlook Sent Items folder. However, the email, which is sent from my own address to my own address (i.e., to myself), does not appear in my inbox.


I've tested sending emails to myself manually, and those emails show up in both my Sent Items and inbox as expected. However, emails sent by the Power Automate flow seem to be missing from my inbox. Additionally, I've tested sending the email to another email account, but encountered the same issue - the email shows in my Sent Items but never reaches the recipient.


I've checked my inbox filters and rules, but haven't found any configurations that could be affecting the delivery of these emails. Additionally, I've verified that the recipient email address in the flow is correct.


Could anyone provide insights into why emails sent by the Power Automate flow are not reaching my inbox or the recipient's inbox, despite being successfully sent and appearing in my Sent Items?


Below screenshot of my flow test.



Thank you in advance for any assistance or suggestions you can provide.


Ricardo Vidal

Helper V
Helper V

Hi @Vidalrick !

I have encountered this issue in the past though it was due to an exchange rule prohibitating mails to be sent outside of an organisation. 

Before asking you to look into that, let's double check first few things.

Could you click on the outlook 365 "send an email" action in your flow in edit and send me a screenshot ?
Could you do the same of on of the run flow (success) ?



Regular Visitor

Hi @Tristan_D ,


Thanks for the very quick reply. Sure, here you have the screenshots of:


The send an email action in my flow:



The on the run flow successful on my test:


and the outputs of the above run:


"statusCode": 200,
"headers": {
"Cache-Control": "no-store, no-cache",
"Pragma": "no-cache",
"Set-Cookie": "ARRAffinity=9ce21d1533dd15c8a77b269e74ef32a5c8bbbda3a8bf37842a8ac7b4d9161c74;Path=/;HttpOnly;Secure;,ARRAffinitySameSite=9ce21d1533dd15c8a77b269e74ef32a5c8bbbda3a8bf37842a8ac7b4d9161c74;Path=/;HttpOnly;SameSite=None;Secure;",
"Strict-Transport-Security": "max-age=31536000; includeSubDomains",
"x-ms-request-id": "62c3f476-0e03-1899-8b5e-7086a6e94924",
"X-Content-Type-Options": "nosniff",
"X-Frame-Options": "DENY",
"x-ms-environment-id": "cc1a9eea-3e10-4089-871e-feceefafa075",
"Timing-Allow-Origin": "*",
"x-ms-apihub-cached-response": "false",
"x-ms-apihub-obo": "false",
"Date": "Tue, 23 Apr 2024 12:39:07 GMT",
"Content-Length": "0",
"Expires": "-1"


here is a screen shot of my sent items of my Outlook:




And remember that I'm trying to send this email to myself. Although I tried to send to a personal gmail account and the result was the same.


I have another problem going on with this flow, but I will not stack on top of this topic for now. 


Thanks again,




Helper V
Helper V

Ok, I see that you used your own mailbox to send the mail.

Can you try your flow without using the send from please ? (just leave it blank) 



Regular Visitor

Hi T,


I'm sorry I failed to mentioned that but, yes I started my flow without using the "send as field, like you suggested, and then when I started to have this issue I tried to put my mailbox in there but, as you already know, the problem persisted. Just for the sake of testing I tried again without it in there to no avail. 


Thanks again to keep looking at it.



Helper V
Helper V

Ricardo, did you try to send a mail without the attachement ?

Sometimes, the file content may not be properly encoded and would lead to an attachment corruption.
Did you ever used the base64ToBinary() expression to convert the “Attachments Content” before sending your email ?


Regular Visitor

Hello T.

First, I'd like to apologize for the delay in my response. I did have some personal issues and was away from my computer since last week. 

Then, coming back to your suggestion, I just tried to run my flow without that the attachment and the result was exactly the same. The emails is shown in my sent mailbox but it doesn't reach the inbox of the recipient.

With that in mind, I believe, it defeats the purpose of trying the base64ToBinary() expression, right? Which, by the way, I never used before. 

Any other clues? 


As always, I really appreciate your help.




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