Postfix smtpd

220 smtp017.mgs.nettas.com ESMTP Postfix
250-smtp017.mgs.nettas.com
250-PIPELINING
250-SIZE
250-VRFY
250-ETRN
250-STARTTLS
250-XFORWARD NAME ADDR PROTO HELO SOURCE PORT IDENT
250-ENHANCEDSTATUSCODES
250-8BITMIME
250-DSN
250 CHUNKING

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            03:fa:a2:32:20:79:68:dc:7d:3f:24:aa:ab:c5:dc:f3:51:ad:a5:a4
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=AU, ST=Tasmania, L=Hobart, O=Networking Tasmania, CN=smtp017.mgs.nettas.com/emailAddress=nettas@team.telstra.com
        Validity
            Not Before: Feb 20 04:47:46 2020 GMT
            Not After : Feb 17 04:47:46 2030 GMT
        Subject: C=AU, ST=Tasmania, L=Hobart, O=Networking Tasmania, CN=smtp017.mgs.nettas.com/emailAddress=nettas@team.telstra.com
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:e5:93:e0:a1:cd:29:cd:79:6d:39:d4:ec:1d:7f:
                    f8:b7:26:fe:ba:ad:d3:92:74:0e:1c:45:e4:da:3d:
                    b5:67:c5:48:dd:0d:a1:fc:80:72:d7:57:47:04:14:
                    8a:52:62:f3:48:b7:99:be:db:6b:7e:9c:25:be:4c:
                    c8:7f:b0:57:34:38:14:70:04:53:37:8f:c7:f4:cb:
                    aa:6c:63:69:8a:43:51:62:84:e4:d6:13:19:0b:23:
                    5e:40:a1:2e:db:6c:a5:9a:6c:14:38:6b:57:74:c4:
                    a9:d5:22:4b:63:40:b6:66:eb:0a:e6:9b:d9:e2:72:
                    22:52:be:7e:85:6d:85:a2:62:a4:58:68:be:77:ef:
                    e8:74:be:94:a2:e8:9d:d9:af:68:71:a7:54:26:8b:
                    04:8f:70:63:a2:14:6f:52:07:5f:cb:97:79:35:fb:
                    d8:ac:75:58:00:be:38:3b:eb:34:7e:e9:37:e2:67:
                    8f:97:aa:3e:70:cb:b3:25:d0:b7:d3:e1:52:20:9d:
                    d8:d0:3a:46:bc:67:d0:49:e5:f5:3c:b9:b1:1d:68:
                    75:e9:71:63:2b:4d:b1:ac:46:61:83:7f:50:0a:05:
                    3b:af:8f:9f:bc:e3:e8:30:8d:32:d3:7f:cb:59:b4:
                    ea:b7:ab:ca:d3:b2:5a:2c:81:4a:4f:dc:0d:27:09:
                    c6:6b
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Subject Key Identifier: 
                A5:5D:33:C5:2F:2C:29:51:ED:9D:5D:5D:5E:CA:AD:02:4F:D1:9B:5B
            X509v3 Authority Key Identifier: 
                A5:5D:33:C5:2F:2C:29:51:ED:9D:5D:5D:5E:CA:AD:02:4F:D1:9B:5B
            X509v3 Basic Constraints: critical
                CA:TRUE
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        55:0e:44:ef:dc:c2:ff:16:62:cf:c1:30:d6:12:23:a0:00:c9:
        9b:a8:ee:a3:de:48:7e:8e:d4:a5:6c:a6:bb:77:dd:47:39:16:
        bc:04:84:0e:34:97:82:f8:0a:9f:b8:84:01:13:94:2f:01:7d:
        25:23:c6:af:72:b7:21:e6:94:66:9f:af:a9:07:10:21:f3:4a:
        4d:9f:5f:b2:fe:49:ec:49:02:3a:c4:15:5d:9b:9a:f0:7a:2c:
        e8:80:7e:cf:9c:ed:74:d0:6e:4c:da:eb:d6:5a:0e:fd:a0:05:
        a2:61:ba:cd:ef:88:67:6f:db:d5:68:7e:46:ae:c0:e8:55:4e:
        37:1a:7c:0f:ee:15:a7:aa:cd:cb:24:d2:e6:f2:b4:64:77:12:
        de:1c:cb:82:be:12:be:39:65:66:f8:3f:c7:50:18:81:64:d1:
        70:e1:a3:da:b9:cf:57:bf:9e:3e:d1:1f:28:e0:ed:11:7c:5f:
        95:34:ea:ad:94:96:a9:bb:2b:17:f3:1d:49:86:4a:77:25:df:
        13:6f:90:eb:66:dd:1f:6c:66:53:57:2f:ed:9b:51:12:63:ff:
        28:e0:42:65:7a:1e:10:84:db:86:4f:8e:d7:a7:1f:28:7a:6b:
        a9:4f:5c:05:6c:9f:58:76:63:b9:7e:32:3e:44:2d:38:ac:42:
        54:01:e7:40