SERVER -&gt; CLIENT: 220-biggo.hozzt.com ESMTP Exim 4.96.2 #2 Sun, 22 Dec 2024 08:25:42 +0300 220-We do not authorize the use of this system to transport unsolicited, 220 and/or bulk e-mail.<br>
CLIENT -&gt; SERVER: EHLO gemashavuz.com<br>
SERVER -&gt; CLIENT: 250-biggo.hozzt.com Hello florida.hozzt.com [89.43.31.214]250-SIZE 52428800250-8BITMIME250-PIPELINING250-PIPECONNECT250-AUTH PLAIN LOGIN250-STARTTLS250 HELP<br>
CLIENT -&gt; SERVER: MAIL FROM:&lt;teknik-servis@gemas.com.tr&gt;<br>
SERVER -&gt; CLIENT: 250 OK<br>
CLIENT -&gt; SERVER: RCPT TO:&lt;ozkan@gemas.com.tr&gt;<br>
SERVER -&gt; CLIENT: 550 SMTP AUTH is required for message submission on port 587<br>
SMTP ERROR: RCPT TO command failed: 550 SMTP AUTH is required for message submission on port 587<br>
CLIENT -&gt; SERVER: QUIT<br>
SERVER -&gt; CLIENT: <br>
SMTP ERROR: QUIT command failed: <br>
SMTP Error: The following recipients failed: ozkan@gemas.com.tr: SMTP AUTH is required for message submission on port 587<br>
<strong>SMTP Error: The following recipients failed: ozkan@gemas.com.tr: SMTP AUTH is required for message submission on port 587
</strong><br />