 smtp; 554 qq permanent problem (#5.4.7) -
    from=<SRS1+g53S=news.shoptet.cz==KL2W=IW=covid-antigen.cz=objednavky@srs.smtp.cz>
    to=<svadlenkova@nasavrky.cz>
    Message-ID=<<00bc0457af8416386aec32b4845d6565@www.shoptet.cz>> maildrop:
    error writing to mailbox. prijemce nema dostatek volneho mista na disku pro
    doruceni teto zpravy / recipient doesn't have enough disk space left for it
