2025-01-30 14:23:32 SERVER -&gt; CLIENT: 220-119-18-55-79.cprapid.com ESMTP Exim 4.98 #2 Thu, 30 Jan 2025 09:23:32 -0500 220-We do not authorize the use of this system to transport unsolicited, 220 and/or bulk e-mail.<br>
2025-01-30 14:23:32 CLIENT -&gt; SERVER: EHLO eventsites.iamai.in<br>
2025-01-30 14:23:32 SERVER -&gt; CLIENT: 250-119-18-55-79.cprapid.com Hello eventsites.iamai.in [119.18.55.79]250-SIZE 52428800250-LIMITS MAILMAX=1000 RCPTMAX=50000250-8BITMIME250-PIPELINING250-PIPECONNECT250-AUTH PLAIN LOGIN250-STARTTLS250 HELP<br>
2025-01-30 14:23:32 CLIENT -&gt; SERVER: STARTTLS<br>
2025-01-30 14:23:32 SERVER -&gt; CLIENT: 220 TLS go ahead<br>
SMTP Error: Could not connect to SMTP host. Connection failed. stream_socket_enable_crypto(): Peer certificate CN=`119-18-55-79.cprapid.com&#039; did not match expected CN=`smtp.office365.com&#039;<br>
2025-01-30 14:23:32 CLIENT -&gt; SERVER: QUIT<br>
2025-01-30 14:23:33 <br>
2025-01-30 14:23:33 <br>
SMTP Error: Could not connect to SMTP host. Connection failed. stream_socket_enable_crypto(): Peer certificate CN=`119-18-55-79.cprapid.com&#039; did not match expected CN=`smtp.office365.com&#039;<br>
Mail sending failed: SMTP Error: Could not connect to SMTP host. Connection failed. stream_socket_enable_crypto(): Peer certificate CN=`119-18-55-79.cprapid.com' did not match expected CN=`smtp.office365.com'