Postfix SMTP server: errors from unknown[]

Domain: IP info
MX-server: IP info
Size: 822 Bytes
Create: 2023-10-24
Update: 2023-10-25
Score: 1
Safe: Yes

Transcript of session follows. Out: 220 ESMTP Postfix In: EHLO Out: Out: 250-PIPELINING Out: 250-SIZE 10240000 Out: 250-ETRN Out: 250-AUTH DIGEST-MD5 CRAM-MD5 PLAIN LOGIN Out: 250-ENHANCEDSTATUSCODES Out: 250-8BITMIME Out: 250-DSN Out: 250 CHUNKING In: AUTH LOGIN Out: 334 VXNlcm5hbWU6 In: Y2VlbW9uZUBkZXRlbXBsZS54eXo= Out: 334 UGFzc3dvcmQ6 In: Q2MzcSYyaTMx Out: 235 2.7.0 Authentication successful In: MAIL FROM: Out: 250 2.1.0 Ok In: RCPT TO: Out: 250 2.1.5 Ok In: DATA Out: 354 End data with . Out: 451 4.3.0 Error: queue file write error In: QUIT Out: 221 2.0.0 Bye For other details, see the local mail logfile