SMTP -> FROM SERVER:220-server.tbiindia.org ESMTP Exim 4.98.1 #2 Fri, 09 May 2025 21:08:55 +0530 
220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.

<br />SMTP -> FROM SERVER: 250-server.tbiindia.org Hello er4u.net [103.27.232.14]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP

<br />SMTP -> ERROR: Password not accepted from server: 535 Incorrect authentication data

<br />SMTP -> FROM SERVER:250 Reset OK

<br />SMTP -> FROM SERVER:250 OK

<br />SMTP -> FROM SERVER:550 Authentication failed

<br />SMTP -> ERROR: RCPT not accepted from server: 550 Authentication failed

<br />SMTP Error: The following recipients failed: nawal.tbitech@gmail.com
Message was not sent.Mailer error: SMTP Error: The following recipients failed: nawal.tbitech@gmail.com<p>SMTP server error: Authentication failed
</p>