220 mailgw4.hkelectric.com ESMTP
250-mailgw4.hkelectric.com
250-8BITMIME
250-SIZE 41943040
250 STARTTLS
SSL Certificate
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
0f:60:38:f7:ed:a1:80:57:89:51:30:ef:62:c7:ca:3f
Signature Algorithm: sha256WithRSAEncryption
Issuer: C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Validity
Not Before: Feb 25 00:00:00 2025 GMT
Not After : Mar 12 23:59:59 2026 GMT
Subject: C=HK, L=Hong Kong Island, O=The Hongkong Electric Co., Ltd., CN=mailgw1.hkelectric.com
Subject Public Key Info:
Public Key Algorithm: rsaEncryption
Public-Key: (2048 bit)
Modulus:
00:9f:7c:ad:16:43:f3:ac:82:45:d5:1b:82:3a:bc:
67:11:f7:36:3a:e5:2a:32:a4:f3:7b:76:ee:0c:5f:
97:b1:20:6f:a3:21:dc:e3:e3:46:be:44:59:83:a8:
a6:d5:f0:03:56:c6:ea:e5:a6:50:ec:4e:7f:55:a9:
7d:5c:86:b3:1c:c4:f7:a2:42:5b:38:62:95:15:71:
f9:9f:54:b9:42:22:fc:51:fe:69:b9:95:d9:53:27:
28:ce:7e:fe:cc:28:51:45:14:6f:f1:46:aa:54:d9:
8b:a8:02:47:fc:b0:ec:fb:81:e9:2f:df:2c:c2:e4:
e6:0b:1a:83:16:52:49:88:09:59:35:10:fc:14:c1:
13:52:4d:46:00:35:51:89:a2:47:e9:da:73:9d:79:
e1:05:99:f4:49:8e:66:6e:cf:32:d7:01:56:2d:d3:
5f:f9:4c:c6:bb:14:1f:80:a7:78:74:51:86:b7:c5:
a3:ad:fb:ae:10:73:8d:bc:28:ba:c5:cc:15:c4:75:
7a:f9:f7:53:65:3a:87:8f:36:7c:07:b1:05:83:ac:
27:52:a8:41:60:3b:c1:7b:e0:17:51:67:df:89:4a:
55:5b:68:ec:70:df:9b:37:d4:31:bf:8d:d3:2e:ad:
e1:96:d0:50:ec:42:e9:68:14:51:7a:d5:43:4e:42:
61:2b
Exponent: 65537 (0x10001)
X509v3 extensions:
X509v3 Authority Key Identifier:
74:85:80:C0:66:C7:DF:37:DE:CF:BD:29:37:AA:03:1D:BE:ED:CD:17
X509v3 Subject Key Identifier:
C4:AB:E9:99:61:64:39:19:A8:74:81:6A:C8:D8:B0:EF:12:3A:64:03
X509v3 Subject Alternative Name:
DNS:mailgw1.hkelectric.com, DNS:mailgw2.hkelectric.com, DNS:mailgw3.hkelectric.com, DNS:mailgw4.hkelectric.com
X509v3 Certificate Policies:
Policy: 2.23.140.1.2.2
CPS: http://www.digicert.com/CPS
X509v3 Key Usage: critical
Digital Signature, Key Encipherment
X509v3 Extended Key Usage:
TLS Web Server Authentication, TLS Web Client Authentication
X509v3 CRL Distribution Points:
Full Name:
URI:http://crl3.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl
Full Name:
URI:http://crl4.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl
Authority Information Access:
OCSP - URI:http://ocsp.digicert.com
CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crt
X509v3 Basic Constraints: critical
CA:FALSE
CT Precertificate SCTs:
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 0E:57:94:BC:F3:AE:A9:3E:33:1B:2C:99:07:B3:F7:90:
DF:9B:C2:3D:71:32:25:DD:21:A9:25:AC:61:C5:4E:21
Timestamp : Feb 25 01:41:00.947 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:44:02:20:02:E3:14:22:76:26:B6:28:11:98:D5:C5:
D2:7A:04:A0:FB:0F:F6:FE:59:98:AF:8F:CF:D0:2F:C1:
36:B3:6E:FB:02:20:64:8F:D4:01:C5:99:F0:CD:D5:B6:
EE:3D:6B:AF:BA:24:03:72:38:2A:68:47:94:5F:36:85:
4F:A6:27:1F:F9:44
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 64:11:C4:6C:A4:12:EC:A7:89:1C:A2:02:2E:00:BC:AB:
4F:28:07:D4:1E:35:27:AB:EA:FE:D5:03:C9:7D:CD:F0
Timestamp : Feb 25 01:41:01.009 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:46:02:21:00:D2:1F:22:F7:E2:46:C3:7F:14:0F:CE:
4A:6B:F7:A1:EC:69:21:45:03:41:CD:A3:AA:D2:F4:26:
8C:6E:D7:D7:B6:02:21:00:E6:DF:BB:5E:31:AD:5E:62:
DC:B7:DB:53:04:9D:F3:78:10:9A:69:E2:6E:94:9B:91:
AC:8F:97:A9:A2:2A:69:87
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 49:9C:9B:69:DE:1D:7C:EC:FC:36:DE:CD:87:64:A6:B8:
5B:AF:0A:87:80:19:D1:55:52:FB:E9:EB:29:DD:F8:C3
Timestamp : Feb 25 01:41:01.028 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:44:02:20:55:77:A1:67:3A:29:7A:E5:3F:CF:51:5C:
D1:E4:F4:A8:06:08:D7:27:E4:27:0F:CA:70:3C:70:E7:
F6:FA:A6:19:02:20:1B:5F:C8:3E:D0:DC:32:85:B3:06:
95:EE:8F:1B:83:B8:DF:EB:A7:23:60:28:87:AB:63:B8:
5D:EA:0D:EB:77:3B
Signature Algorithm: sha256WithRSAEncryption
Signature Value:
33:21:2d:67:82:c4:aa:b6:1a:ef:31:77:fc:cf:cd:49:ae:8b:
bf:a7:09:87:72:7d:16:88:a5:38:d0:d8:da:02:9e:1e:4b:34:
1d:45:8e:31:cb:c1:56:e0:73:ec:a9:51:3f:70:d7:4b:02:21:
df:d7:4a:9f:05:99:a4:cb:0f:58:02:0f:72:a6:bb:07:8d:3e:
42:99:dd:60:2b:57:af:1b:3c:a6:3f:89:23:13:94:05:a3:08:
3c:39:56:41:df:32:2f:88:56:29:83:3e:e7:61:1d:0c:ea:fa:
fa:0c:fe:b1:fb:a6:ef:04:bf:f0:13:0f:8d:e8:df:7f:1c:12:
ae:b1:ae:df:ad:1a:ac:03:b4:34:05:d4:f6:16:89:fb:1a:1b:
04:f3:82:a9:8a:e2:2c:c0:ae:98:72:e1:33:ac:63:88:e8:2a:
a6:ad:da:76:71:d6:fe:14:fe:76:69:a6:ad:05:26:26:bb:c0:
73:25:70:6b:90:3a:18:f5:2e:48:84:d2:7b:e2:47:cc:58:ff:
d7:50:da:62:e0:fc:c9:18:0a:3e:43:eb:21:7b:8d:5f:93:fb:
24:4d:3f:cf:bd:11:3b:5c:95:de:9b:8b:29:89:fc:8c:4a:d6:
cc:77:93:75:b9:f1:f5:ee:cf:96:d6:55:5d:77:32:38:63:dc:
83:c7:f0:f3
