hi,
we are sending email to our customer but it hangs in the queue.
They are sending email but it hangs greylisted.
there was no problem before.
What can be problem ?
how we can solve ?
Is the problem with us or on the other side?
the below log when we sent to customer
Oct 5 12:04:50 mailgateway postfix/qmgr[942]: 130B438170B: from=<harun@nxxaelektronik.net>, size=903806, nrcpt=2 (queue active)
Oct 5 12:04:59 mailgateway postfix/smtp[16901]: 130B438170B: to=<ceydaa@pfr.com.tr>, relay=none, delay=947, delays=938/0/8.7/0, dsn=4.4.3, status=deferred (Host or domain name not found. Name service error for name=pfr.com.tr type=MX: Host not found, try again)
Oct 5 12:06:18 mailgateway postfix/qmgr[942]: 130B438170B: from=<harun@noxxaelektronik.net>, size=903806, nrcpt=2 (queue active)
Oct 5 12:06:27 mailgateway postfix/error[17115]: 130B438170B: to=<ceydaa@pfr.com.tr>, relay=none, delay=1035, delays=1027/8.3/0/0, dsn=4.4.3, status=deferred (delivery temporarily suspended: Host or domain name not found. Name service error for name=pfr.com.tr type=MX: Host not found, try again)
Oct 5 12:24:50 mailgateway postfix/qmgr[942]: 130B438170B: from=<harun@nokxxxelektronik.net>, size=903806, nrcpt=2 (queue active)
Oct 5 12:24:58 mailgateway postfix/smtp[17352]: 130B438170B: to=<ceydaa@pfr.com.tr>, relay=none, delay=2146, delays=2138/0.01/7.8/0, dsn=4.4.3, status=deferred (Host or domain name not found. Name service error for name=pfr.com.tr type=MX: Host not found, try again)
Oct 5 12:31:24 mailgateway postfix/qmgr[942]: 130B438170B: from=<harun@nokccaelektronik.net>, size=903806, nrcpt=2 (queue active)
Oct 5 12:31:34 mailgateway postfix/error[17459]: 130B438170B: to=<ceydaa@pfr.com.tr>, relay=none, delay=2542, delays=2533/9.3/0/0, dsn=4.4.3, status=deferred (delivery temporarily suspended: Host or domain name not found. Name service error for name=pfr.com.tr type=MX: Host not found, try again
the below log when customer set to us
Oct 5 12:18:20 mailgateway postfix/smtpd[17282]: connect from mail-eopbgr150134.outbound.protection.outlook.com[40.107.15.134]
Oct 5 12:18:22 mailgateway postfix/smtpd[17282]: NOQUEUE: reject: RCPT from mail-eopbgr150134.outbound.protection.outlook.com[40.107.15.134]: 450 4.7.1 <harun@noktgvlektronik.net>: Recipient address rejected: Service is unavailable (try later); from=<ceydaa@pfr.com.tr> to=<harun@nokxxektronik.net> proto=ESMTP helo=<EUR01-DB5-obe.outbound.protection.outlook.com>
Oct 5 12:18:22 mailgateway postfix/smtpd[17282]: disconnect from mail-eopbgr150134.outbound.protection.outlook.com[40.107.15.134] ehlo=2 starttls=1 mail=1 rcpt=0/1 quit=1 commands=5/6
we are sending email to our customer but it hangs in the queue.
They are sending email but it hangs greylisted.
there was no problem before.
What can be problem ?
how we can solve ?
Is the problem with us or on the other side?
the below log when we sent to customer
Oct 5 12:04:50 mailgateway postfix/qmgr[942]: 130B438170B: from=<harun@nxxaelektronik.net>, size=903806, nrcpt=2 (queue active)
Oct 5 12:04:59 mailgateway postfix/smtp[16901]: 130B438170B: to=<ceydaa@pfr.com.tr>, relay=none, delay=947, delays=938/0/8.7/0, dsn=4.4.3, status=deferred (Host or domain name not found. Name service error for name=pfr.com.tr type=MX: Host not found, try again)
Oct 5 12:06:18 mailgateway postfix/qmgr[942]: 130B438170B: from=<harun@noxxaelektronik.net>, size=903806, nrcpt=2 (queue active)
Oct 5 12:06:27 mailgateway postfix/error[17115]: 130B438170B: to=<ceydaa@pfr.com.tr>, relay=none, delay=1035, delays=1027/8.3/0/0, dsn=4.4.3, status=deferred (delivery temporarily suspended: Host or domain name not found. Name service error for name=pfr.com.tr type=MX: Host not found, try again)
Oct 5 12:24:50 mailgateway postfix/qmgr[942]: 130B438170B: from=<harun@nokxxxelektronik.net>, size=903806, nrcpt=2 (queue active)
Oct 5 12:24:58 mailgateway postfix/smtp[17352]: 130B438170B: to=<ceydaa@pfr.com.tr>, relay=none, delay=2146, delays=2138/0.01/7.8/0, dsn=4.4.3, status=deferred (Host or domain name not found. Name service error for name=pfr.com.tr type=MX: Host not found, try again)
Oct 5 12:31:24 mailgateway postfix/qmgr[942]: 130B438170B: from=<harun@nokccaelektronik.net>, size=903806, nrcpt=2 (queue active)
Oct 5 12:31:34 mailgateway postfix/error[17459]: 130B438170B: to=<ceydaa@pfr.com.tr>, relay=none, delay=2542, delays=2533/9.3/0/0, dsn=4.4.3, status=deferred (delivery temporarily suspended: Host or domain name not found. Name service error for name=pfr.com.tr type=MX: Host not found, try again
the below log when customer set to us
Oct 5 12:18:20 mailgateway postfix/smtpd[17282]: connect from mail-eopbgr150134.outbound.protection.outlook.com[40.107.15.134]
Oct 5 12:18:22 mailgateway postfix/smtpd[17282]: NOQUEUE: reject: RCPT from mail-eopbgr150134.outbound.protection.outlook.com[40.107.15.134]: 450 4.7.1 <harun@noktgvlektronik.net>: Recipient address rejected: Service is unavailable (try later); from=<ceydaa@pfr.com.tr> to=<harun@nokxxektronik.net> proto=ESMTP helo=<EUR01-DB5-obe.outbound.protection.outlook.com>
Oct 5 12:18:22 mailgateway postfix/smtpd[17282]: disconnect from mail-eopbgr150134.outbound.protection.outlook.com[40.107.15.134] ehlo=2 starttls=1 mail=1 rcpt=0/1 quit=1 commands=5/6