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- Jul 20 23:35:20 endor postfix/smtpd[1503]: NOQUEUE: reject: RCPT from
- bdmrob01-2.metavante.com[206.71.18.21]: 450 4.7.1
- <bdmrob02.metavante.com>: Helo command rejected: Host not found;
- from=<bbankingonline@mybank.com>
- to=<myemail@fqdn.org> proto=ESMTP
- helo=<bdmrob02.metavante.com>
- ; <<>> DiG 9.11.3-1ubuntu1.1-Ubuntu <<>> bdmrob01-2.metavante.com
- ;; global options: +cmd
- ;; Got answer:
- ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 32487
- ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
- ;; OPT PSEUDOSECTION:
- ; EDNS: version: 0, flags:; udp: 65494
- ;; QUESTION SECTION:
- ;bdmrob01-2.metavante.com. IN A
- ;; ANSWER SECTION:
- bdmrob01-2.metavante.com. 600 IN A 206.71.18.21
- ; <<>> DiG 9.11.3-1ubuntu1.1-Ubuntu <<>> -x 206.71.18.21
- ;; global options: +cmd
- ;; Got answer:
- ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 40586
- ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
- ;; OPT PSEUDOSECTION:
- ; EDNS: version: 0, flags:; udp: 65494
- ;; QUESTION SECTION:
- ;21.18.71.206.in-addr.arpa. IN PTR
- ;; ANSWER SECTION:
- 21.18.71.206.in-addr.arpa. 600 IN PTR bdmrob01-2.metavante.com.
- smtpd_helo_restrictions =
- reject_non_fqdn_helo_hostname,reject_invalid_helo_hostname,reject_unknown_helo_hostname
- Jul 20 23:35:20 endor postfix/smtpd[1503]: NOQUEUE: reject: RCPT from
- bdmrob01-2.metavante.com[206.71.18.21]:
- endor% dig bdmrob01-2.metavante.com
- [...]
- ;; ANSWER SECTION:
- bdmrob01-2.metavante.com. 600 IN A 206.71.18.21
- endor% dig -x 206.71.18.21
- ;; ANSWER SECTION:
- 21.18.71.206.in-addr.arpa. 600 IN PTR bdmrob01-2.metavante.com.
- helo=<bdmrob02.metavante.com>
- $ dig a bdmrob02.metavante.com
- [...]
- ;; ANSWER SECTION:
- bdmrob02.metavante.com. 0 IN A 92.242.140.2
- $ dig -x 92.242.140.2
- [...]
- ;; ANSWER SECTION:
- 2.140.242.92.in-addr.arpa. 84155 IN PTR unallocated.barefruit.co.uk.
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