ошибка в логах postfix при отправке письма на другой почтовик -
(550 non-local sender verification failed (in reply to end of DATA command)))
Dec 12 17:27:27 smtp1 postfix/smtp[19478]: 90EEB1DA3801D: to=<mail_box23@inbox.ru>, relay=mxs.mail.ru[94.100.180.104]:25, delay=14, delays=11/0.02/0.01/2.4, dsn=2.0.0, status=sent (250 OK id=1gX5Tx-0001r4-NN)
Dec 12 18:38:09 smtp1 postfix/smtp[26132]: 20D751DA3801D: to=<mail_box23@inbox.ru>, relay=mxs.mail.ru[94.100.180.104]:25, delay=4.7, delays=2.4/0.01/0.01/2.2, dsn=2.0.0, status=sent (250 OK id=1gX6aN-00042v-L6)
Dec 12 19:21:13 smtp1 postfix/smtp[30198]: A25C71DA3801D: to=<mail_box23@inbox.ru>, relay=mxs.mail.ru[94.100.180.104]:25, delay=2.9, delays=2.4/0.01/0.01/0.45, dsn=2.0.0, status=sent (250 OK id=1gX7G4-0000s4-QC)
Dec 13 09:34:03 smtp1 postfix/smtp[27859]: 1AA721DA3801D: to=<mail_box23@inbox.ru>, relay=mxs.mail.ru[94.100.180.104]:25, delay=4.2, delays=2.4/0.01/0.01/1.8, dsn=5.0.0, status=bounced (host mxs.mail.ru[94.100.180.104] said: 550 non-local sender verification failed (in reply to end of DATA command))
Dec 13 09:52:12 smtp1 postfix/smtp[29740]: B6A3F1DA3801D: to=<mail_box23@inbox.ru>, relay=mxs.mail.ru[94.100.180.104]:25, delay=0.57, delays=0.16/0.01/0.01/0.4, dsn=5.0.0, status=bounced (host mxs.mail.ru[94.100.180.104] said: 550 non-local sender verification failed (in reply to end of DATA command))
Dec 13 09:55:10 smtp1 postfix/smtp[29740]: 086AA1DA3801D: to=<mail_box23@inbox.ru>, relay=mxs.mail.ru[94.100.180.31]:25, delay=1.3, delays=1.3/0/0.01/0.03, dsn=5.0.0, status=bounced (host mxs.mail.ru[94.100.180.31] said: 550 non-local sender verification failed (in reply to end of DATA command))
в чем причина? на чьей стороне проблема?
