我在 CentOS 7 上使用了cyberpanel，并为我的 postfix 和 dovecot 设置了 SSL。但是即使我使用 Lets Encrypt 配置了 SSL，我仍然得到“SSL 无效”导致自签名 SSL。
这是 /etc/postfix/main.cf
smtpd_tls_cert_file = /etc/letsencrypt/live/mail.domain.net/fullchain.pem
smtpd_tls_key_file = /etc/letsencrypt/live/mail.domain.net/privkey.pem
这是 /etc/dovecot/dovecot.conf
ssl_cert = </etc/letsencrypt/live/mail.domain.net/fullchain.pem
ssl_key = </etc/letsencrypt/live/mail.domain.net/privkey.pem
....
local_name mail.domain.net {
ssl_cert = </etc/letsencrypt/live/mail.domain.net/fullchain.pem
ssl_key = </etc/letsencrypt/live/mail.domain.net/privkey.pem
}
local_name mail.sub.domain.net {
ssl_cert = </etc/letsencrypt/live/mail.sub.domain.net/fullchain.pem
ssl_key = </etc/letsencrypt/live/mail.sub.domain.net/privkey.pem
}
这是 /etc/dovecot/conf.d/10-ssl.conf
ssl = required
ssl_cert = </etc/letsencrypt/live/mail.domain.net/fullchain.pem
ssl_key = </etc/letsencrypt/live/mail.domain.net/privkey.pem
所有文件都指向正确的 SSL 文件。但是，当我尝试使用 SSL 登录 IMAP 和 SMTP 时，出现错误：SSL 无效导致自签名证书www.example.com（不是 mail.domain.net）。
当我使用命令检查时： openssl s_client -servername mail.domain.net -connect mail.domain.net:993
CONNECTED(00000003)
depth=0 C = US, ST = Denial, L = Springfield, O = Dis, CN = www.example.com
verify error:num=18:self signed certificate
verify return:1
depth=0 C = US, ST = Denial, L = Springfield, O = Dis, CN = www.example.com
verify return:1
---
Certificate chain
0 s:/C=US/ST=Denial/L=Springfield/O=Dis/CN=www.example.com
i:/C=US/ST=Denial/L=Springfield/O=Dis/CN=www.example.com
---
Server certificate
-----BEGIN CERTIFICATE-----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=
-----END CERTIFICATE-----
subject=/C=US/ST=Denial/L=Springfield/O=Dis/CN=www.example.com
issuer=/C=US/ST=Denial/L=Springfield/O=Dis/CN=www.example.com
---
No client certificate CA names sent
Peer signing digest: SHA512
Server Temp Key: ECDH, P-256, 256 bits
---
SSL handshake has read 1590 bytes and written 441 bytes
---
New, TLSv1/SSLv3, Cipher is ECDHE-RSA-AES256-GCM-SHA384
Server public key is 2048 bit
Secure Renegotiation IS supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
SSL-Session:
Protocol : TLSv1.2
Cipher : ECDHE-RSA-AES256-GCM-SHA384
Session-ID: 88F2CCFDE63FE391E9824F596E0C8300E44CB306F969E2A1C0AFE3B75E5A4D74
Session-ID-ctx:
Master-Key: E22198E25F15AA193B9E73446CB934276DF90987DFC75B1B74DDAF3247CA8436CDB93B3274102188B3470DF1A4EFB0D1
Key-Arg : None
Krb5 Principal: None
PSK identity: None
PSK identity hint: None
TLS session ticket lifetime hint: 300 (seconds)
TLS session ticket:
0000 - e6 78 ae 14 e1 04 0d b4-64 82 65 9e 14 ad 32 9c .x......d.e...2.
0010 - f3 f0 c2 fd f9 12 5b bf-0f 50 75 79 64 5c bb ba ......[..Puyd\..
0020 - 31 f6 37 bd 1c b2 e7 dc-d9 02 c7 53 f4 f9 0c a6 1.7........S....
0030 - d4 51 6a 60 6b 34 04 41-fd b3 7d 53 14 ff 1d b4 .Qj`k4.A..}S....
0040 - a2 82 67 6e da d7 80 02-b0 9f 6d 82 b4 17 72 cf ..gn......m...r.
0050 - 30 05 54 fc 8c be 60 6d-e5 0f b8 25 04 f3 43 6d 0.T...`m...%..Cm
0060 - 7e 13 f1 85 02 03 90 a2-50 82 64 43 aa 79 b8 ee ~.......P.dC.y..
0070 - 86 08 ef 7a ac 4b c7 86-57 bc 09 a4 9a bb 23 92 ...z.K..W.....#.
0080 - cb 18 74 a4 90 c5 b1 8b-39 3c cc 69 ee e8 fb 08 ..t.....9<.i....
0090 - 60 93 ea 17 35 d5 58 0d-ee 1b 68 c2 98 d0 e9 9c `...5.X...h.....
00a0 - f5 a7 24 9b 29 0a 48 6b-70 f8 a5 9a 7c e5 e8 88 ..$.).Hkp...|...
Start Time: 1624855926
Timeout : 300 (sec)
Verify return code: 18 (self signed certificate)
---
+OK Dovecot ready.
这是登录邮件服务器。systemctl 状态后缀 -l
230, TLS handshaking: SSL_accept() failed: error:14094416:SSL routines:ssl3_read_bytes:sslv3 alert certificate unknown: SSL alert number 46, session=<RLYR5sLFeh62/Xx7>
Jun 28 00:42:37 mail-domain-net dovecot[574952]: imap-login: Disconnected (no auth attempts in 0 secs): user=<>, rip=182.253.XXX.XXX, lip=10.5.224.230, TLS handshaking: SSL_accept() failed: error:14094416:SSL routines:ssl3_read_bytes:sslv3 alert certificate unknown: SSL alert number 46, session=<WF4U5sLFlym2/Xx7>
Jun 28 00:42:38 mail-domain-net dovecot[574952]: imap-login: Disconnected (no auth attempts in 0 secs): user=<>, rip=182.253.XXX.XXX, lip=10.5.224.230, TLS handshaking: SSL_accept() failed: error:14094416:SSL routines:ssl3_read_bytes:sslv3 alert certificate unknown: SSL alert number 46, session=<nasX5sLFoim2/Xx7>
Jun 28 00:42:38 mail-domain-net dovecot[574952]: imap-login: Disconnected (no auth attempts in 0 secs): user=<>, rip=182.253.XXX.XXX, lip=10.5.224.230, TLS handshaking: SSL_accept() failed: error:14094416:SSL routines:ssl3_read_bytes:sslv3 alert certificate unknown: SSL alert number 46, session=<BFYY5sLFrCm2/Xx7>
Jun 28 00:42:38 mail-domain-net dovecot[574952]: imap-login: Disconnected (no auth attempts in 0 secs): user=<>, rip=182.253.XXX.XXX, lip=10.5.224.230, TLS handshaking: SSL_accept() failed: error:14094416:SSL routines:ssl3_read_bytes:sslv3 alert certificate unknown: SSL alert number 46, session=<YQkZ5sLFrSm2/Xx7>
请帮助我，我应该检查哪个文件或配置。