2026-03-22 15:05:28 SERVER -&gt; CLIENT: 220 SG ESMTP service ready at geopod-ismtpd-6<br>
2026-03-22 15:05:28 CLIENT -&gt; SERVER: EHLO mehedy.ssbdhosting.com<br>
2026-03-22 15:05:28 SERVER -&gt; CLIENT: 250-smtp.sendgrid.net250-8BITMIME250-PIPELINING250-SIZE 31457280250-SMTPUTF8250-STARTTLS250-AUTH PLAIN LOGIN250 AUTH=PLAIN LOGIN<br>
2026-03-22 15:05:28 CLIENT -&gt; SERVER: STARTTLS<br>
2026-03-22 15:05:28 SERVER -&gt; CLIENT: 220 Begin TLS negotiation now<br>
2026-03-22 15:05:28 CLIENT -&gt; SERVER: EHLO mehedy.ssbdhosting.com<br>
2026-03-22 15:05:28 SERVER -&gt; CLIENT: 250-smtp.sendgrid.net250-8BITMIME250-PIPELINING250-SIZE 31457280250-SMTPUTF8250-STARTTLS250-AUTH PLAIN LOGIN250 AUTH=PLAIN LOGIN<br>
2026-03-22 15:05:28 CLIENT -&gt; SERVER: AUTH LOGIN<br>
2026-03-22 15:05:28 SERVER -&gt; CLIENT: 334 VXNlcm5hbWU6<br>
2026-03-22 15:05:28 CLIENT -&gt; SERVER: [credentials hidden]<br>
2026-03-22 15:05:29 SERVER -&gt; CLIENT: 334 UGFzc3dvcmQ6<br>
2026-03-22 15:05:29 CLIENT -&gt; SERVER: [credentials hidden]<br>
2026-03-22 15:05:29 SERVER -&gt; CLIENT: 535 Authorization failed: Authenticated user is not authorized to send mail<br>
2026-03-22 15:05:29 SMTP ERROR: Password command failed: 535 Authorization failed: Authenticated user is not authorized to send mail<br>
SMTP Error: Could not authenticate.<br>
2026-03-22 15:05:29 CLIENT -&gt; SERVER: QUIT<br>
2026-03-22 15:05:29 SERVER -&gt; CLIENT: <br>
2026-03-22 15:05:29 SMTP ERROR: QUIT command failed: <br>
SMTP Error: Could not authenticate.<br>
Error in sending email. Mailer Error: SMTP Error: Could not authenticate.