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[SMTP ISSUE] Email Sending Failed - Email Sending Failed: SMTP Error: data not accepted.

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ManagedCloud-Hosting Senior Member

ManagedCloud-Hosting

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Hi,

Suddenly from today we are facing this below issue....I have checked with WHMCS  support documents and found that it's listed as a common issue. Our service was working fine till last Saturday - Sunday. Since yesterday we are facing this challenge...we have checked all settings and found that everything is as mentioned and we have not changed anything neither updated WHMCS. Awaiting help and support. Thanks.

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ERROR: Email Sending Failed - Email Sending Failed: SMTP Error: data not accepted.
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Can you please check the following URL and scroll - Data Not Accepted section.

URL: https://help.whmcs.com/m/troubleshooting/l/1261469-troubleshooting-email-sending-problems#data-not-accepted

 

 

 

 

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