2025-12-07 15:14:51 SERVER -&gt; CLIENT: 220-191-7-32-15.cprapid.com ESMTP Exim 4.98.2 #2 Sun, 07 Dec 2025 12:14:51 -0300 220-We do not authorize the use of this system to transport unsolicited, 220 and/or bulk e-mail.<br>
2025-12-07 15:14:51 CLIENT -&gt; SERVER: EHLO teebweb.com.br<br>
2025-12-07 15:14:51 SERVER -&gt; CLIENT: 250-191-7-32-15.cprapid.com Hello teebweb.com.br [191.7.32.16]250-SIZE 52428800250-LIMITS MAILMAX=1000 RCPTMAX=50000250-8BITMIME250-PIPELINING250-PIPECONNECT250-AUTH PLAIN LOGIN250 HELP<br>
2025-12-07 15:14:51 CLIENT -&gt; SERVER: AUTH LOGIN<br>
2025-12-07 15:14:51 SERVER -&gt; CLIENT: 334 VXNlcm5hbWU6<br>
2025-12-07 15:14:51 CLIENT -&gt; SERVER: [credentials hidden]<br>
2025-12-07 15:14:51 SERVER -&gt; CLIENT: 334 UGFzc3dvcmQ6<br>
2025-12-07 15:14:51 CLIENT -&gt; SERVER: [credentials hidden]<br>
2025-12-07 15:14:53 SERVER -&gt; CLIENT: 535 Incorrect authentication data<br>
2025-12-07 15:14:53 SMTP ERROR: Password command failed: 535 Incorrect authentication data<br>
SMTP Error: Could not authenticate.<br>
2025-12-07 15:14:53 CLIENT -&gt; SERVER: QUIT<br>
2025-12-07 15:14:53 SERVER -&gt; CLIENT: 221 191-7-32-15.cprapid.com closing connection<br>
SMTP Error: Could not authenticate.<br>