SMTP API - Error when email address contains international characters

PGBDO
Member

I'm using the SMTP API with a .Net SMTP client sending to smtp.hubapi.com.  I'm setting the delivery format to international, and the TO address encoding to UTF8.  It looks like this works for some people as posted here

 

https://stackoverflow.com/questions/13260772/smtpexception-the-client-or-server-is-only-configured-f... 

 

However, I'm still getting an error:

"The client or server is only configured for E-mail addresses with ASCII local-parts".  Does the HubSpot server support international characters like "ä", or is it a matter of both the sending and receiving SMTP server?

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dennisedson
Community Manager

@PGBDO 

I believe you also had someone ask this to support 😁

If you did not get a reply yet, the answer is

Yes, you can send with SMTP API with unicode characters.  It is most likely on the client side -- make sure that the SMTP client accepts utf8

Thanks,

Dennis




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