Hello, From my application when I tried to send an email via phpmail I have this result. How to resolve that ? you can find more information here : https://www.checktls.com/TestReceiver . Test on clicshopping.org Thank you Cert Hostname DOES NOT VERIFY (mail.clicshopping.org != vps.clicshopping.eu | DNS:vps.clicshopping.eu) So email is encrypted but the host is not verified it's seems there is a conflict clicshopping.com openssl s_client -connect mail.clicshopping.org:443 CONNECTED(00000003) depth=2 C = US, O = Internet Security Research Group, CN = ISRG Root X1 verify return:1 depth=1 C = US, O = Let's Encrypt, CN = R10 verify return:1 depth=0 CN = clicshopping.com verify return:1 --- Certificate chain 0 s:CN = clicshopping.com i:C = US, O = Let's Encrypt, CN = R10 aKEY: rsaEncryption, 4096 (bit); sigalg: RSA-SHA256 v:NotBefore: Jul 16 19:20:12 2024 GMT; NotAfter: Oct 14 19:20:11 2024 GMT 1 s:C = US, O = Let's Encrypt, CN = R10 i:C = US, O = Internet Security Research Group, CN = ISRG Root X1 aKEY: rsaEncryption, 2048 (bit); sigalg: RSA-SHA256 v:NotBefore: Mar 13 00:00:00 2024 GMT; NotAfter: Mar 12 23:59:59 2027 GMT ...... -----END CERTIFICATE----- subject=CN = clicshopping.com issuer=C = US, O = Let's Encrypt, CN = R10 --- No client certificate CA names sent Peer signing digest: SHA256 Peer signature type: RSA-PSS Server Temp Key: X25519, 253 bits --- SSL handshake has read 3653 bytes and written 403 bytes Verification: OK --- New, TLSv1.3, Cipher is TLS_AES_256_GCM_SHA384 Server public key is 4096 bit Secure Renegotiation IS NOT supported Compression: NONE Expansion: NONE No ALPN negotiated Early data was not sent Verify return code: 0 (ok)
