问题 提问于 2020年11月21日
Windows Live Mail rejects me as a sender, error code 550 5.1.0; WLM ID 0x800CCC78
Tried the following, but didn't correct the problem:
1. click Windows Key + R (to open run)
2. in the run type and enter: REGEDIT
3. Go to Computer > HKEY_CURRENT_USER > SOFTWARE > Microsoft > Windows Live Mail
4. Create these 3 DWORD entries (if they didnt exist) or change to 1 if they exist
RecreateFolderIndex = 1
RecreateStreamIndex = 1
RecreateUIDLIndex = 1
Does anyone have a solution. I can receive, modify, move around email. Just get rejected as a sender.
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