Hello, From my application when I tried to send an email via application, 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)
The SSL cert and setup is fine, you are just using a wrong mail server name in your application. If your system hostname is vps.clicshopping.eu, then the SSL cert for your system is vps.clicshopping.eu (which is correct, according to your post) which then means you must use vps.clicshopping.eu in your application to send emails, but currently you seem to use a wrong name mail.clicshopping.eu there. So you must change mail.clicshopping.eu to vps.clicshopping.eu in the settings of your mail sending application.
Hello, thank you, I changed. mail.clicshopping.org by vps.clicshopping.eu. it seems better about the result but I do not receive the email. I let you the report from phpmail and I do not see any error inside. the result. If I send the email on [email protected]. I receive the email If I send an email to [email protected]. I do not receive the email If I send an email to Yahoo, I do not receive the email. tail -f /var/log/mail.log 2024-08-05T13:47:40.932435+00:00 vps postfix/smtpd[2041]: connect from localhost[127.0.0.1] 2024-08-05T13:47:41.064420+00:00 vps postfix/smtpd[2041]: 0F32E7E28F: client=localhost[127.0.0.1], sasl_method=LOGIN, [email protected] 2024-08-05T13:47:41.116856+00:00 vps postfix/cleanup[5560]: 0F32E7E28F: message-id=<[email protected]> 2024-08-05T13:47:41.169890+00:00 vps postfix/qmgr[1553]: 0F32E7E28F: from=<>, size=1670, nrcpt=1 (queue active) 2024-08-05T13:47:41.172310+00:00 vps postfix/smtpd[2041]: disconnect from localhost[127.0.0.1] ehlo=2 starttls=1 auth=1 mail=1 rcpt=1 data=1 quit=1 commands=8 2024-08-05T13:47:41.194339+00:00 vps postfix/smtp[5561]: warning: DNSSEC validation may be unavailable 2024-08-05T13:47:41.194465+00:00 vps postfix/smtp[5561]: warning: reason: dnssec_probe 'ns:.' received a response that is not DNSSEC validated 2024-08-05T13:47:41.529997+00:00 vps postfix/smtp[5561]: 0F32E7E28F: to=<[email protected]>, relay=mx-eu.mail.am0.yahoodns.net[188.125.72.73]:25, delay=0.54, delays=0.19/0.02/0.26/0.06, dsn=5.0.0, status=bounced (host mx-eu.mail.am0.yahoodns.net[188.125.72.73] said: 554 Message not accepted due to failed RFC compliance. From header address is empty. See https://senders.yahooinc.com/smtp-error-codes#rfc-compliance-failures (in reply to end of DATA command)) 2024-08-05T13:47:41.532235+00:00 vps postfix/qmgr[1553]: 0F32E7E28F: removed 2024-08-05T13:47:43.750500+00:00 vps postfix/smtpd[3251]: connect from unknown[80.94.95.209] 2024-08-05T13:47:44.358052+00:00 vps postfix/smtpd[1603]: warning: unknown[80.94.95.209]: SASL LOGIN authentication failed: Connection lost to authentication server, sasl_username=(unavailable) 2024-08-05T13:47:45.076613+00:00 vps postfix/smtpd[1798]: warning: unknown[80.94.95.248]: SASL LOGIN authentication failed: (reason unavailable), [email protected]
