Sender address not valid

  • timb111

    (@timb111)


    6 years, 4 months ago

    I’m trying to send a test message but it’s failing. My email address is [email protected] , but for some reason it looks like Post SMTP plugin is trying to send mail from “[email protected]”. How can I fix this?

    The following From address failed: [email protected] : MAIL FROM command failed,Sender address is not valid for your login. Check your email program settings.
,551,SMTP server error: MAIL FROM command failed Detail: Sender address is not valid for your login. Check your email program settings.
 SMTP code: 551

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