2024-04-20 16:35:46 Connection: opening to mail.i3display.com:587, timeout=300, options=array (  &#039;ssl&#039; =&gt;   array (    &#039;verify_peer&#039; =&gt; false,    &#039;verify_peer_name&#039; =&gt; false,    &#039;allow_self_signed&#039; =&gt; true,  ),)<br>
2024-04-20 16:35:46 Connection: opened<br>
2024-04-20 16:35:46 SERVER -&gt; CLIENT: 220 mail.m3asia.com ESMTP Postfix<br>
2024-04-20 16:35:46 CLIENT -&gt; SERVER: EHLO fmt.i3display.com<br>
2024-04-20 16:35:46 SERVER -&gt; CLIENT: 250-mail.m3asia.com250-PIPELINING250-SIZE 15360000250-VRFY250-ETRN250-STARTTLS250-ENHANCEDSTATUSCODES250-8BITMIME250 DSN<br>
2024-04-20 16:35:46 CLIENT -&gt; SERVER: STARTTLS<br>
2024-04-20 16:35:46 SERVER -&gt; CLIENT: 220 2.0.0 Ready to start TLS<br>
2024-04-20 16:35:46 CLIENT -&gt; SERVER: EHLO fmt.i3display.com<br>
2024-04-20 16:35:46 SERVER -&gt; CLIENT: 250-mail.m3asia.com250-PIPELINING250-SIZE 15360000250-VRFY250-ETRN250-AUTH LOGIN PLAIN250-AUTH=LOGIN PLAIN250-ENHANCEDSTATUSCODES250-8BITMIME250 DSN<br>
2024-04-20 16:35:46 CLIENT -&gt; SERVER: AUTH LOGIN<br>
2024-04-20 16:35:46 SERVER -&gt; CLIENT: 334 VXNlcm5hbWU6<br>
2024-04-20 16:35:46 CLIENT -&gt; SERVER: [credentials hidden]<br>
2024-04-20 16:35:46 SERVER -&gt; CLIENT: 334 UGFzc3dvcmQ6<br>
2024-04-20 16:35:46 CLIENT -&gt; SERVER: [credentials hidden]<br>
2024-04-20 16:35:46 SERVER -&gt; CLIENT: 535 5.7.8 Error: authentication failed: authentication failure<br>
2024-04-20 16:35:46 SMTP ERROR: Password command failed: 535 5.7.8 Error: authentication failed: authentication failure<br>
SMTP Error: Could not authenticate.<br>
2024-04-20 16:35:46 CLIENT -&gt; SERVER: QUIT<br>
2024-04-20 16:35:46 SERVER -&gt; CLIENT: 221 2.0.0 Bye<br>
2024-04-20 16:35:46 Connection: closed<br>
SMTP Error: Could not authenticate.<br>
Mailer Error: SMTP Error: Could not authenticate.