[SMTP] t-online.de (Sun, 25 Jul 2021 14:53:15 +0000)

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mx01.t-online.de - 194.25.134.72 : 25

Error during analysis: TLS seems not supported on this server

mx02.t-online.de - 194.25.134.9 : 25

Error during analysis: TLS seems not supported on this server

mx00.t-online.de - 194.25.134.8 : 25

Error during analysis: TLS seems not supported on this server

mx03.t-online.de - 194.25.134.73 : 25

Error during analysis: TLS seems not supported on this server