Error when trying to configure SuiteCRM 7.8.8 LTS with sparkpost.com

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SuiteCRM 7.8.8 LTS

When I try to set up the crm suite with sparkpost.com, the following error appears. What would it be???

Error:SMTP Error: data not accepted.SMTP server error: DATA END command failed Detail: Unconfigured Sending Domain SMTP code: 550 Additional SMTP info: 5.7.1

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[quote=“jakson” post=56808]SuiteCRM 7.8.8 LTS

When I try to set up the crm suite with sparkpost.com, the following error appears. What would it be???

Error:SMTP Error: data not accepted.SMTP server error: DATA END command failed Detail: Unconfigured Sending Domain SMTP code: 550 Additional SMTP info: 5.7.1

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