Unable to add dekiverybility server

Thanks for sharing this article. #3 on the list was the first one I tried, and it fixed the problem, but it is worded a little differently in cpanel- :) But just in case someone needs this info: in WHM (Home)- Server Configuration-Tweak settings- Mail- "Restrict outgoing SMTP to root, exim, and mailman (FKA SMTP Tweak)"; needs to be set to "Off"
 
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Has anyone got this error message while trying to validate smtp?

  • Cannot send the confirmation email using the data you provided.
  • ++ Swift_SmtpTransport started
    >> MAIL FROM:<bounce@domain.com>
    << 250 2.1.0 Sender OK
    >> RCPT TO:<thema@gmail.com>
    << 250 2.1.5 Recipient OK
    >> DATA
    << 354 Start mail input; end with <CRLF>.<CRLF>
    >>
    .
    << 550 5.7.60 SMTP; Client does not have permissions to send as this sender
    !! Expected response code 250 but got code "550", with message "550 5.7.60 SMTP; Client does not have permissions to send as this sender
    " (code: 550)
Any idea how to solve that? I use Cloudlinux/Litespeed Webserver/WHM/cPanel
 
What I tried after...
- double check domian verification
- double check email verification
- double check DKIM
- double check for spelling/typos
all this was good, but I had to manually end up typing in the email address for the setup. The auto-populate feature in my webrowser was causing the error.
 
Thank you for your reply. I tried it but still got same error. Anyone has any other suggestions? Thank you
 
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