Originally Posted by
Windows Central Question I keep getting this error, after sending a little under 100 e-mails, why?
An unknown error has occurred.
Subject 'subject name'
Server Error: 550
Server Response: 550 5.4.5 Daily user sending quota exceeded. i6sm4445811wjk.3 - gsmtp
Server: 'smtp.gmail.com'
Windows Live Mail Error ID: 0x800CCC69
Protocol: SMTP
Port: 465
Secure(SSL): Yes
are you sending them all at one go? This is an anti spam measure
If you need additional help or have more questions or details to share, please join the site so you can reply in this thread. See this
link for instructions on how to join Windows Central.