SMTP error : 554 Recipients' domain disabled


I am looking for some materials with a particular property that was previously overlooked. I tend to use data mining or machine learning methods from the MaterialProject database.
Therefor, there may be frequent requests to the database. So I sent to [email protected] an application for future heavily API use, But I always receive a SMTP error “554 Recipients’ domain disabled”. I don’t why.

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Hi @Weiguang_Chen

We had an issue with our email server that should be resolved now. Please try now and report back if you have any difficulties.

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