Refer to this – https://wpmailsmtp.com/docs/how-to-set-up-the-other-smtp-mailer-in-wp-mail-smtp/
noreply@mediaplusdemo.com
Q!mediaplus888999
mail.mediaplusdemo.com
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noreply@mpstaging.us
Q!mediaplus888999
mail.mpstaging.us
———————————————————————
noreply@mstaging.co
Q!mediaplus888999
mail.mstaging.co
———————————————————————
noreply@mpdstaging.com
Q!mediaplus888999
mail.mpdstaging.com
———————————————————————
noreply@mpstaging2.space
Q!mediaplus888999
mail.mpstaging2.space
———————————————————————
noreply@mpddev1.com
Q!mediaplus888999
mail.mpddev1.com
———————————————————————
noreply@mpstaging.org
Q!mediaplus888999
mail.mpstaging.org