The TLS certificates used by Hornetsecurity for the email connection encryption changed on Sept 10 2021. Supported protocols and ciphers did NOT change.
MTAs (inbound): mx-gate<number>-<location-Tag>.antispameurope.com
MTAs (outbound): mx-relay-haj2<number>-<location-Tag>.antispameurope.com
Mail domain: Different mail domains of our customers
Old Certificate Serial number: 180b3c68edbf02838ec2e7fd0e6b16cb
Old Certificate Validity Not Before: 10.09.2020
Old Certificate Validity Not After: 15.09.2021
In case you are using certificate pinning, the certificate needs to be updated accordingly. Your environments need to trust the new certificate including new root and intermediate certificate listed below. The configuration of your system’s Trust Center has to be adapted until the change day. The configuration can be done immediately and does not influence the current e-mail exchange.
The new certificate information is as followed:
Certificate details
Serial number: 02FD90598620C13E42821D1EF367DA00
Validity Not Before: Aug 26 09:11:01 2021
Validity Not After: Aug 30 23:59:59 2022
Organisation: Hornetsecurity GmbH
SHA256 Fingerprint=24:EA:06:1B:B7:13:0C:75:EA:78:52:AA:0C:98:02:15:
05:7A:CB:C4:F7:F0:48:81:11:A5:90:3C:4E:41:67:E6
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Intermediate CA: TeleSec ServerPass Class 2 CA
Download Intermediate Certificate: crl.serverpass.telesec.de/crt/TeleSec_ServerPass_Class_2_CA.cer
Intermediate CA: Fingerprint (SHA1): 7b c0 04 8a 1f d8 f4 23 8c
cc c9 cc 56 6d d3 8b ff 7e 67 e2
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Root CA: T-TeleSec GlobalRoot Class 2
Download Root Certificate: pki.telesec.de/rl/GlobalRoot_Class_2.crl
Root Certificate Fingerprint (SHA1): EB:A8:62:4A:86:31:97:9D:60:C2:7D:F6:02:18:98:71:52:30:84:A5
We will provide additional information and any announcement via our Status Page
The Status Page allows you to follow our services and their availability from a centralized location. If you haven’t done so already, you can use the "Subscribe" button from the top right corner to automatically receive any service interruptions and the system will automatically keep you updated on any changes.