first time posting, but I need to reach out for help this issue had been bothering me for 2 weeks.
I have been using gmail to receive and send my live.com emails. Everything was fine for the past few years until 2 weeks ago issue started to popup:
Delivery Status Notification (Failure)
Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the relay smtp.live.com by smtp.live.com. [65.XX.176.XX].
The error that the other server returned was:
550 5.3.4 432 4.3.2 STOREDRV.ClientSubmit; sender thread limit exceeded
Note that the weird thing is, the smtp system failed randomly. Sometimes the same email pass thru but sometimes not. My gmail had been setup correctly (I think):
Secured connection on port 587 using TLS
I tried smtp-mail.live.com (as stated in live.com account setting) but the same credential didn't go thru. Note that I have also tried setup 2 step verfication and toggle on and off back and forth. same thing.
I am extremely frustrated by this and hope I can get a solution from the community. Thanks for your help..