Emails are delayed or fail from bigfish.com

PROBLEM:  When a user tries to send my organization an email, they will get an error message stating the the email has been delayed.  The exact message: “This message hasn’t been delivered yet. Delivery will continue to be attempted.” After a few days, the user would get an error that the message has failed stating […]
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Exchange 2010: Limiting the number of recipients

Problem:  One of our Exchange accounts were compromised and then used to send mass amounts of spam through our system.  We shutdown the account and cleaned up the mail but wanted a way to limit the number or recipients so the spammer couldn’t send out so many at the same time. Solution:  The default for […]
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Exchange 2010: One user doesn’t receive internal and external email

Problem: Within Exchange 2010, I had a user who could send out email but they were unable to receive emails both internally and externally. This happened right after their account was comprised and used for spamming purposes. I was wondering if there was a black list for email and or Exchange 2010 was blocking incoming […]
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