Problems with SMTP Error 550?
Sometimes this problem can be caused by your own computer and other times it is because of a misconfigured email server. Either way, it's not a great problem to have simply because it can stop you from sending email.Either way, it can be fixed pretty easily!
If you've been seeing error 550 during email or when trying to connect to your smtp server I highly suggest repairing it using the below steps. In my past experience, this easy tool has taken care of the problem altogether. Not only is it a quick fix but it's a good one, I've never had issues again.
3-Steps to Fix Error SMTP 550
Step 1: Download and Run or Save Official Repair Tool (Free)Step 2: Once you have it open, click the "SCAN" button.
Step 3: Simply click the "FIX ERROR" button.
That should be it, you should be good to go.
If for some reason the SMTP error ends up being on your home or company mail server I suggest having your IT guy or tech company take a look. From what I've read, it is related to an address map not being associated with one of the mailboxes on the mail server. This might sound like a bunch of computer jargon to most people but an IT professional should be able to understand it.
