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図書館からの予約資料連絡メールが届かない方へ

https://library.city.izumisano.lg.jp/topic/mail_error.html

== whois ==
{{{
ed.city.izumisano.osaka.jp. 300	IN	A	210.189.169.7

ed.city.izumisano.osaka.jp. 300	IN	MX	10 mail.ed.city.izumisano.osaka.jp.
mail.ed.city.izumisano.osaka.jp. 300 IN	A	153.231.253.10

逆引きなし。

10.253.231.153.in-addr.arpa. 21600 IN	CNAME	10.8.253.231.153.in-addr.arpa
}}}

== history ==
{{{
ed.city.izumisano.osaka.jp. 300	IN	TXT	"v=spf1 +ip4:153.231.253.10/32 ~all"


$ telnet 153.231.253.10 25
Trying 153.231.253.10...
Connected to 153.231.253.10.
Escape character is '^]'.
220 IZSK19OML-01.ed.city.izumisano.osaka.jp ESMTP Postfix

EHLO wk.qmail.jp
250-IZSK19OML-01.ed.city.izumisano.osaka.jp
250-PIPELINING
250-SIZE 20480000
250-VRFY
250-ETRN
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN

}}}
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