The original message was received at Thu, 27 Jan 2022 23:03:40 +0200 from lists.linaro.org [79.104.179.152]
----- The following addresses had permanent fatal errors -----
lkft-triage(a)lists.linaro.org
----- Transcript of session follows -----
... while talking to 17.51.63.106:
554 5.0.0 Service unavailable; [75.57.36.107] blocked using bl.spamcop.net, reason: Blocked
Session aborted, reason: lost connection