Netease Mail server's IPs are:
    202.106.186.34
    202.108.36.[195-254]
    202.108.5.[1-254]
    202.108.9.[128-254]
    220.181.12.[1-254]
    220.181.13.[1-254]
    220.181.14.[1-254]
    220.181.15.[1-254]
    220.181.14.[250-251]
    220.181.31.[102-140]
    220.181.28.149
    220.181.31.26
    202.108.16.25
    202.108.16.26
    220.181.31.189
    220.181.31.190
    220.181.31.191
    60.191.85.[1-254]
    60.12.227.[133-148]
    Netease Mail's domains include:163.com,126.com,188.com,vip.163.com,yeah.net, netease.com,corp.netease.com,service.netease.com

Please note that:All these domains are possibly crossing among several IP ranges.There are not strict mapping between IPs and domains.

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