aaP_ansizin While I can receive different mails. Mails are not coming from Gmail address. It is returning as follows. What do you think is the problem and solution? 550 This mail server requires authentication (0) when attempting to send via this SMTP (submission) port
aaPanel_Kern Hello, did you receive this message from the email client? Check whether the sending configuration is normal? aaP_ansizin
aaP_ansizin When I want to send an email via Gmail, I get this error on the Gmail side. I solved this as follows. I added SSL support to the email accounts. Now there is a problem. I cannot use 587 support.
aaPanel_Kern Hello, is there any error message? Does the domain name authenticated by the SSL certificate used contain the A record of the MX record? aaP_ansizin
