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到shupp.org那里下scripts。而后,打开就能看到
SPF rc5 by christophe@saout.de
http://www.saout.de/misc/spf/
再到这个url里可以看到
About
This is an SPF implementation for qmail.
SPF is something like a DNS based "reverse MX" system to designate permitted senders for mails depending on the domain name. The goal is to disallow sender address forgery.
The patch is entirely written using the qmail string and DNS functions, and thus completely integrated into qmail without external dependencies.
It can check incoming mails inside the SMTP daemon, add Received-SPF lines and optionally block undesired transfers. The check is performed at the envelope level.
所以我估计是域名的dns解析问题。只有第2个才支持spf。
[ 本帖最后由 yzhkp 于 2005-12-12 20:07 编辑 ] |
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