eb 26 14:05:01 server postfix/smtpd[29003]: warning: hostname 71-214-155-80.orlf.qwest.net does not resolve to address 71.214.155.80: Name or service not known
Feb 26 14:05:01 server postfix/smtpd[29003]: connect from unknown[71.214.155.80]
Feb 26 14:05:02 server postfix/smtpd[29003]: Anonymous TLS connection established from unknown[71.214.155.80]: TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)
Feb 26 14:05:02 server postfix/smtpd[29003]: 7644818EDC: client=unknown[71.214.155.80], sasl_method=PLAIN, sasl_username=2019@lakeservers.com
Feb 26 14:05:02 server postfix/cleanup[29012]: 7644818EDC: message-id=<0c2894ec-b866-7410-5d85-08deeb3fbc34@lakeservers.com>
Feb 26 14:05:02 server postfix/qmgr[28937]: 7644818EDC: from=<2019@lakeservers.com>, size=729, nrcpt=1 (queue active)
Feb 26 14:05:02 server postfix/smtpd[29003]: disconnect from unknown[71.214.155.80] ehlo=2 starttls=1 auth=1 mail=1 rcpt=1 data=1 quit=1 commands=8
Feb 26 14:05:02 server postfix/smtp[29014]: 7644818EDC: to=, relay=libra.goldspot.us[198.58.96.204]:25, delay=0.3, delays=0.19/0.01/0.06/0.03, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued as D31CCAA89)
Feb 26 14:05:02 server postfix/qmgr[28937]: 7644818EDC: removed
The above code is a successful mail delivered from the same server but to a different domain on the same server as rosinto.com. Problem is only one domain email.......rosinto.com All others work.. It is not a problem of the sender, it is a problem of the receiver.