aaPanel_Kern Then how to set up an SMTP relay on aaPanel. Because every time I try to send an email, an error occurs:
`This is the mail system at host keidev.my.id.
I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.
For further assistance, please send mail to postmaster.
If you do so, please include this problem report. You can
delete your own text from the attached returned message.
The mail system
daichikei12@gmail.com: host gmail-smtp-in.l.google.com[142.251.175.27] said:
550-5.7.1 [45.158.126.108] The IP you're using to send mail is not
authorized to 550-5.7.1 send email directly to our servers. Please use the
SMTP relay at your 550-5.7.1 service provider instead. For more
information, go to 550 5.7.1
https://support.google.com/mail/?p=NotAuthorizedError
41be03b00d2f7-7db498c3d7esi10664240a12.100 - gsmtp (in reply to end of DATA
command)`
