Contact 7

thanks Jason.I did what you told, still something wrong, the log indicates: Relaying disallowed as sdaf <[email protected]>
You said better not copy the script online. About the relaying disallowed problem, i googled and found this at zoho support page:

When you send emails from other software, if the email address you specify does not match the email addresses in the account for which authentication details provided by you, you will get the ‘Relaying disallowed’ error when trying to send emails through the servers.
Generally, it may happen when you use a default address as sender (in a coded program), or when you have mistyped the email address section in the configuration. You will be able to receive emails, as only the authentication will be required for syncing emails. Only when you send emails, the email address with which you send is matched with the credentials you provide for the outgoing server. Hence correcting the email address would resolve this issue.
When you send emails via SMTP client, if the email address you have entered does not match the email address for the account details provided, the client will not be able to send emails and will get a Relaying disallowed.

the email address that i will be using is: [email protected]
in the mail tab, i did input [email protected]

so not sure about what it means by mismatching

The relaying error is not about the To header, it’s about the From header.

Only some servers support setting a from header that is not your own. Clearly your server (Zoho) does not support it.

The best fix is to go into Postman settings (Configure Manually > Message > Message From) and uncheck the box that says Allow Plugins to Modify This Field (for email address)

That way Postman will make sure that all email that leaves your system has your own from address.

Got it?

Jason
thanks a lot.finally that is the problem. Actually, it was unchecked at the beginning. When i check it, everything is working fine.
https://cl.ly/image/0h2J2O1J1l2a
https://cl.ly/image/3I3K0Y190q2F

Great!