How to cancel the SMS signature of 139 mailbox?

2 Choose to send SMS.

There is a personalized signature option at the lower right of the short message content, just click this option.

4. Set the SMS signature,

5 Just delete all the SMS signatures you set.

PS: 139 It seems that the personalized email signature is not automatically added, which means that the content of the short message you edited is the content sent to the other party's mobile phone, which means what you see is what you get! ! If you use a personalized signature, it will be displayed in the short message content. If the personalized signature is displayed, you can also delete it!

That's all. If you have any questions, leave me a message! o（∩_∩）o