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grulichrolf@gmail.com: host gmail-smtp-in.l.google.com[2607:f8b0:4001:c1c::1a] said: 552-5.2.2 The recipient's inbox is out of storage space and inactive. Please 552-5.2.2 direct the recipient to 552 5.2.2 https://support.google.com/mail/?p=OverQuotaPerm c4-20020a023304000000b004871f3a96c9si1107566jae.3 - gsmtp (in reply to RCPT TO command)