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The mail system
<firstname.lastname@example.org>: host aspmx.l.google.com[126.96.36.199] said: 550-5.7.1 The
user or domain that you are sending to (or from) has a policy that
550-5.7.1 prohibited the mail that you sent. Please contact your domain
550-5.7.1 administrator for further details. For more information, please
visit 550 5.7.1 https://support.google.com/a/answer/172179
y20si541670wmj.191 – gsmtp (in reply to RCPT TO command)
Jinak se nám toto stalo již 2x počátkem roku – první 2 týdny v lednu 2021. MOC děkuji a přeji hezký den, Věra Paštiková