大家帮我查查是什么问题？

linson

发到该域名邮箱时，总是出现如下问题：<br>
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MX-record resolution of [philips.com] in progress (DNS Server: 192.168.2.2)...<br>P=020 D=philips.com TTL=(125) MX=[gw-nam3.philips.com] {161.88.253.56}<br>P=020 D=philips.com TTL=(125) MX=[gw-nam2.philips.com] {161.88.253.54}<br>P=020 D=philips.com TTL=(125) MX=[gw-nam1.philips.com] {161.88.253.52}<br>P=010 D=philips.com TTL=(125) MX=[gw-eur3.philips.com] {161.85.125.8}<br>P=010 D=philips.com TTL=(125) MX=[gw-eur2.philips.com] {161.85.125.6}<br>P=010 D=philips.com TTL=(125) MX=[gw-eur1.philips.com] {161.85.125.4}<br>Attempting MX: P=010 D=philips.com TTL=(125) MX=[gw-eur1.philips.com] {161.85.125.4}<br>Attempting SMTP connection to [161.85.125.4 : 25]<br>Waiting for socket connection...<br>Socket connection established (192.168.2.2 : 1233 -> 161.85.125.4 : 25)<br>Waiting for protocol initiation...<br><-- 421 SMTP service not available, closing transmission channel<br>--> QUIT<br>Attempting MX: P=010 D=philips.com TTL=(125) MX=[gw-eur2.philips.com] {161.85.125.6}<br>Attempting SMTP connection to [161.85.125.6 : 25]<br>Waiting for socket connection...<br>Socket connection established (192.168.2.2 : 1244 -> 161.85.125.6 : 25)<br>Waiting for protocol initiation...<br><-- 421 SMTP service not available, closing transmission channel<br>--> QUIT<br>

goxia

SMTP无效！