I am able to send successfully an email:
2022-11-04 16:48:19 1oqyvb-002nWD-JY <= info@xxxx H=localhost (xxxx) [127.0.0.1] P=esmtpa A=dovecot_login:info@xxxx S=520 id=64a26b68a4c4cce575147669c5369005@xxxx
2022-11-04 16:48:24 1oqyvb-002nWD-JY => [email protected] R=dnslookup T=remote_smtp H=mail.xn--8mr619f.pw [xxxxx] X=TLS1.3:ECDHE_SECP256R1__RSA_PSS_RSAE_SHA256__AES_256_GCM:256 CV=no K C="250- 537 byte chunk, total 537\\n250 OK id=1oqyvg-000GkZ-Ar"
2022-11-04 16:48:24 1oqyvb-002nWD-JY Completed