Is Exchange 2013 antispam good enough?

We currently have Exchange Server 2033.
We currently use GFI MailEssentials to sort out spam, and it has a good enough (95%+) rate at catching spam.
We're upgrading to Exchange 2013, that is supposed to have antispam capabilities bundled.
Do we still need the external tool, or Exchange bundled capability will be as good?
Pls support your opinion with numbers if you can.
Daniel CardozoSenior ITAsked:
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Mark GalvinManaging Director / Principal ConsultantCommented:
When you saw 'Bundled' what do you mean? Exchange needs to have another tool to work with it for spam. A lot of people use MS ForeFront in conjunction with Exchange.

Let me know.
AmitIT ArchitectCommented:
Stick to GFI.
Nick RhodeIT DirectorCommented:
Stay with GFI.  Exchange has an antispam feature which you can configure to reference lists like spamcop and spamhaus etc so its a better than nothing feature.  If you have an existing spam filter I would suggest keeping it.
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Daniel CardozoSenior ITAuthor Commented:
When I said Bundled I meant to refer to
"Microsoft Exchange Server 2013 provides a layered, multipronged, and multifaceted approach to reducing spam. Exchange uses transport agents to provide anti-spam filtering"
AmitIT ArchitectCommented:
Try it out.
Thomas Zucker-ScharffSolution GuideCommented:
We use FOPE (Forefront Online Protection for Exchange) from Microsoft.  But we also use Exchange 2010.
Simon Butler (Sembee)ConsultantCommented:
The built in Anti-spam is weak. It isn't bad, but it isn't as fully featured as GFI. If you have already paid for GFI then I would continue to use it as already outlined. There haven't been many changes between the built in anti-spam from Exchange 2010.

However, compared to Exchange 2003, it is much better, therefore you might want to just try it as already outlined. Do be aware that you cannot go from Exchange 2003 to 2013 directly. Therefore the interim step of Exchange 2010 would give you a good chance to try the built in tools.


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