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= ucspi-tcp =

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https://tools.qmail.jp/ucspi-tcp.html

== Ubuntu ==
{{{
sudo apt-get update
sudo apt-get install ucspi-tcp-ipv6
}}}

ソースからmakeしたときにエラーがでた。
{{{

/usr/bin/ld: errno: TLS definition in /lib64/libc.so.6 section .tbss mismatches non-TLS reference in envdir.o
/lib64/libc.so.6: could not read symbols: Bad value
collect2: ld はステータス 1 で終了しました
}}}
  https://qiita.com/smd8122/items/8f625922aba58ae08aef

compile/conf-ccを編集して解決。gcc -O2 --include /usr/include/errno.h


== 改良版 ==
Setting up rblsmtpd
https://notes.sagredo.eu/en/qmail-notes-185/setting-up-rblsmtpd-127.html


SMTP HELO/EHLO Greeting delay
http://www.fehcom.de/qmail/qmail.html##greetdelay


== IPv6 ==
https://www.fefe.de/ucspi/
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