2026-10-21 14:16:24 SERVER -&gt; CLIENT: 220-hosting44.upnyk.ac.id ESMTP Exim 4.100.1 #2 Wed, 21 Oct 2026 21:16:24 +0700 220-We do not authorize the use of this system to transport unsolicited, 220 and/or bulk e-mail.<br>
2026-10-21 14:16:24 CLIENT -&gt; SERVER: EHLO send.upnyk.ac.id<br>
2026-10-21 14:16:24 SERVER -&gt; CLIENT: 250-hosting44.upnyk.ac.id Hello send.upnyk.ac.id [103.236.192.44]250-SIZE 52428800250-LIMITS MAILMAX=1000 RCPTMAX=50000250-8BITMIME250-PIPELINING250-PIPECONNECT250-AUTH PLAIN LOGIN250-STARTTLS250 HELP<br>
2026-10-21 14:16:24 CLIENT -&gt; SERVER: STARTTLS<br>
2026-10-21 14:16:24 SERVER -&gt; CLIENT: 220 TLS go ahead<br>
SMTP Error: Could not connect to SMTP host. Connection failed. stream_socket_enable_crypto(): Peer certificate subjectAltName did not match expected name `smtp-pulse.com&#039;<br>
2026-10-21 14:16:24 CLIENT -&gt; SERVER: QUIT<br>
2026-10-21 14:16:24 <br>
2026-10-21 14:16:24 <br>
SMTP Error: Could not connect to SMTP host. Connection failed. stream_socket_enable_crypto(): Peer certificate subjectAltName did not match expected name `smtp-pulse.com&#039;<br>
Message could not be sent. Mailer Error: SMTP Error: Could not connect to SMTP host. Connection failed. stream_socket_enable_crypto(): Peer certificate subjectAltName did not match expected name `smtp-pulse.com'SMTP server error: QUIT command failed Detail: l�!HԐ3�ӄLh�%�221 hosting44.upnyk.ac.id closing connection