550 message submission is for authorised users only!
Hello,
I got problems in servermail whm, all outgoing email has the same error like that.
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Hey there! Is this a normal email sent from the Webmail interface of a cPanel account, or is this message being sent from a different type of mail tool? If this is a standard Webmail message, can you check the Exim log at /var/log/exim_mainlog to see if thee are any additional details there? 0 -
Ok, antispamcloud.com is a domain name operated by N-Able on their mtaroutes.com btw). As @cPRex asked, how is the email being sent out from your server? According to N-Able the "550 message submission is for authorised users only" message should only be generated under the following conditions: - The domain name you are sending to is send email to their domain on port 465 instead of the standard port 25
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