Outlook triggering "brute force " after password change and bouncing all outbound emails (SOLVED)

Problem reported by Curtis Kropar www.HawaiianHope.org - 1/11/2018 at 2:44 PM

Resolved

Ok, I have not seen this before, and do not think it is really a smarter mail problem, but want to see if anyone else has run into it.

One of our clients uses MS Outlook for their email - set as a POP account.

Everything was working perfectly fine. Then our system did the whole 6 months password change requirement, and they were forced to change their password.

Now, after changing their password, and changing the password in outlook, and changing the password in "requires login" before send - Outlook is triggering a "brute force" on the smartermail server, for their IP address. and then it blacklists their IP address from connecting.

They can check mail perfectly fine and they get their email sent to them, but when they try to send anything it triggers the brute force and bans them.

I have personally went over to their facility and tried to fix this. Spent about an hour messing with both outlook and smarter mail resetting the password and trying all combinations of the secure send, log in before send, username only, full username and domain, etc.

SO.. then i "white listed" their IP address (yea, yea,,, i know)

and it sends stuff out, but then EVERYTHING that goes out gets returned as bounced.

Seriously... w t h ?

Only thing i can think of is it seems like there is some type of cache setting or something in outlook that is not using the new password ?

We are using

SmarterMail Enterprise Edition
Version 14.4.5801

www.HawaiianHope.org - Providing technology services to non profit organizations, low income families, homeless shelters, clean and sober houses and prisoner reentry programs. Since 2015, We have refurbished over 11,000 Computers !

2 Replies

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Curtis Kropar www.HawaiianHope.org Replied

1/12/2018 at 1:09 PM

So, the problem is now resolved,

Apparently this is a rather common problem with outlook that you can get email but not send. After a google search and reading through dozens of other posting the same problem, problem solved, One guy posted that he was using the computers, they had a storm, lost power, and after power was restored, outlook would receive, but no longer send.

So, the only conclusion to that is corrupted files.

Turns out, each time we exited outlook, it would forget that you just changed the password, and revert back to the old password.

Solution :

1) In Outlook, made an archive file of all of the email for the user account.

2) Exit outlook and then restart outlook Confirmed that all of the data is still in the archive file.

3) Delete the user account in outlook

4) Exit outlook and then restart outlook

5) Create a new user account in Outlook. test and send message

6) Exit outlook and then restart outlook, confirmed that the account still works.

Curtis Kropar www.HawaiianHope.org Replied

1/12/2018 at 1:36 PM

How do i change the status to resolved ?

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