220 postal.aplaut.net ESMTP Postal/O1OYUX
250-My capabilities are
250 AUTH CRAM-MD5 PLAIN LOGIN

HTTP/1.1 200 OK

HTTP/1.1 200 OK

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number: 0 (0x0)
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=GB, O=Default, OU=Default, CN=default
        Validity
            Not Before: Dec 15 15:25:31 2019 GMT
            Not After : Dec 12 15:25:31 2029 GMT
        Subject: C=GB, O=Default, OU=Default, CN=default
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:c9:ba:6b:a7:af:49:aa:51:31:5c:3b:f4:46:0d:
                    9a:0e:2c:da:21:e7:43:8d:27:e9:ea:17:c5:65:8b:
                    73:ef:cb:fc:86:da:00:f7:1e:4c:d7:cf:6c:05:c8:
                    9d:2e:11:89:7e:00:22:0b:98:9e:df:7f:e4:09:d9:
                    e9:1e:b0:5c:29:b1:82:24:61:8a:7f:66:9a:de:6b:
                    93:01:86:84:ff:9d:e2:8d:16:81:c8:5a:f7:96:e6:
                    b6:39:3d:33:9b:e3:89:90:c3:44:af:cc:51:7d:e8:
                    05:1f:c5:b9:9f:46:93:91:34:0e:31:f2:c3:93:fa:
                    f6:78:86:81:62:7b:a3:af:e3:c6:7e:39:47:a1:17:
                    39:47:24:38:7c:ff:55:a8:c4:50:0e:30:66:58:a9:
                    39:ad:af:fb:94:4e:f9:c7:3a:16:0d:10:d1:93:e0:
                    f6:97:2f:66:22:19:4a:6f:e4:ed:7f:88:f5:aa:2c:
                    49:16:6b:a7:3a:22:02:b0:76:34:1e:eb:ff:75:38:
                    e6:64:17:b7:1e:d9:72:05:73:a6:4c:e0:f2:79:8b:
                    21:bd:9a:9d:45:19:ca:dc:ed:1f:f2:aa:f8:a0:c2:
                    6d:f9:c0:ff:f4:c5:16:5e:6d:21:5f:34:3f:f3:9b:
                    b6:59:d1:d0:34:b5:fe:ad:c8:7e:5f:8a:b4:7e:84:
                    47:8d
                Exponent: 65537 (0x10001)
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        b9:59:bf:a1:f0:08:b9:70:03:37:83:dc:9c:db:e7:fc:32:19:
        8a:18:f5:99:44:54:60:96:83:28:d6:e0:25:6c:cf:c4:26:00:
        9d:63:97:b5:dc:f1:a1:36:68:98:53:f8:0b:4d:1a:a3:5a:a3:
        13:cd:38:b7:d1:ff:5f:73:52:85:28:f2:2d:8d:20:7f:9e:83:
        a4:f3:45:7b:4e:f0:d5:5c:2c:2e:82:52:fe:27:99:f8:7c:af:
        90:5e:c4:87:58:1d:6b:62:30:26:68:ce:a8:63:1f:21:f3:ba:
        33:a1:da:04:20:72:31:30:5d:96:85:b0:aa:28:03:2f:23:3d:
        e7:ed:fe:1b:cb:56:18:a8:23:63:57:c7:40:12:63:9b:72:94:
        36:68:dd:21:b5:a3:d4:d2:7c:61:1a:80:53:b9:13:9d:e2:9a:
        df:07:93:96:10:39:bd:39:c9:be:b7:d4:4f:dc:1d:a8:e1:b0:
        19:db:cb:72:d4:11:88:86:6b:bd:1a:ba:32:79:c7:fd:0a:fb:
        9c:15:47:d9:ea:1b:ea:a4:57:12:4f:f6:46:d4:3d:26:da:df:
        fa:cd:59:bd:ee:00:7a:49:d4:5e:b8:ff:18:d0:d8:28:20:0c:
        43:fc:49:08:6b:36:f2:8c:a9:c2:b9:54:28:6b:93:ca:6b:62:
        5f:05:cc:8d