i try use swaks  
2 web site all it not work  send by zoho mail

=== Trying smtppro.zoho.com:587...
=== Connected to smtppro.zoho.com.
<-  220 mx.zohomail.com SMTP Server ready March 27, 2024 8:52:12 PM PDT
 -> EHLO server-194-63-140-32.da.direct
<-  250-mx.zohomail.com Hello server-194-63-140-32.da.direct (194.63.140.32 (194.63.140.32))
<-  250-STARTTLS
<-  250 SIZE 53477376
*** Host did not advertise authentication
 -> QUIT
<-  221 mx.zohomail.com closing connection
=== Connection closed with remote host.