AUTH LOGIN Support

[bighsuan]

I received an email but encountered the following error:

time="2023-05-30T10:25:17Z" level=debug msg="[0.0.0.0:2525] Waiting for a new client. Next Client ID: 2458"
time="2023-05-30T10:25:17Z" level=info msg="Handle client [172.30.203.192], id: 2457"
time="2023-05-30T10:25:17Z" level=debug msg="Writing response to client: \n220 receive.cinnox.com SMTP Guerrilla(unknown) #2457 (1) 2023-05-30T10:25:17Z\r\n"
time="2023-05-30T10:25:18Z" level=debug msg="Client sent: EHLO User"
time="2023-05-30T10:25:18Z" level=debug msg="Writing response to client: \n250-receive.cinnox.com Hello\r\n250-SIZE 67108864\r\n250-PIPELINING\r\n250-STARTTLS\r\n250-ENHANCEDSTATUSCODES\r\n250 HELP\r\n"
time="2023-05-30T10:25:18Z" level=debug msg="Client sent: RSET"
time="2023-05-30T10:25:18Z" level=debug msg="Writing response to client: \n250 2.1.0 OK\r\n"
time="2023-05-30T10:25:18Z" level=debug msg="Client sent: AUTH LOGIN"
time="2023-05-30T10:25:18Z" level=debug msg="Writing response to client: \n554 5.5.1 Unrecognized command\r\n"
time="2023-05-30T10:25:18Z" level=debug msg="Client sent: QUIT"
time="2023-05-30T10:25:18Z" level=debug msg="Writing response to client: \n221 2.0.0 Bye\r\n"

I would like to know if there is support for AUTH LOGIN or any alternative way to address this issue.