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Tencent Cloud's solution to the problem of failure to send emails

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Release: 2019-04-17 14:39:02
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This article is about the specific solution to the problem of Tencent Cloud's failure to send emails. Friends who have encountered this situation must know about it.

1. The program on Tencent Cloud failed to send emails because Tencent Cloud blocked port 25

2. Use telnet to test port 25 of the third-party SMTP service, but both failed

3. Enter the Tencent Cloud console and apply to unblock port 25

4. After the unblocking is completed, you can connect The other party’s port 25

5. It is normal to send emails at this time

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source:cnblogs.com
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