[SOLVED] Is the global welcomelist really effective?

写英文没人回,我干脆写中文吧

我查看到信息中“KAM_DMARC_REJECT 7 DKIM has Failed or SPF has failed on the message and the domain has a DMA”

这是我们的重要合作伙伴,所以我想直接告诉pmg应用一下白名单,应该怎么做?
 
The use of traditional whitelists has solved the problem, and old methods always work, don't they.


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