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max message size limit

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Just a question to people to find out what your organization is doing with max message size in Exchange. Doesn't matter what version but please specify which version you're using. Any reason you picked that particular limit size? Does Microsoft have recommendations?

I realize this depends greatly on the bandwidth available but just curious.

12 replies

by bcmathis

I recently started administoring Exchange 2003. I setup storage quotas and delivery restrictions for all users including the big wigs (they're the biggest problem). For storage quotas, the majority of the users received 25MB which is a lot of space for all of those chain letters while others where based off of job position; and for the delivery restrictions I set everyone to 2MB. The 2MB limit gives them enough space to send multiple spreadsheets, word docs, pp presentations, pics, etc... without giving them to ability to send larger files like music and video clips. On top of the quotas and limits, I used TrendMicro's ScanMail to block all unsafe file extension as well as multimedia file extension (excluding pic files). This is working so far, but im still looking into other options as well. Let me know if this helped you!

by allthegoodnamesweregone

It varies by organization, but here is what he have setup:

mailbox size limit: 50MB-300MB
incoming/outgoing message size limit: 25 MB
the "dangerous" file types are all blocked.

by jguasch

It all depends on your servers capacity. I have 1.5 gig limit on mailbox size and 20 meg limit for inbound and outbound email

by kevin.square

exch. 5.5
30-40MB on mailbox size. Mailbox is a delivery system not a storage system. We use pst's for that.

5MB limit on message size. encourage use of zip files or network shares for larger.

again depends on company. an engineering firm with huge autocad files would set things diff.

Kevin

by jguasch

With 5.5, I see your point with using pst and limiting mailbox size to 50 megs.

But with exchange 2003 and outlook 2003, it is totally different. almost all the limitations for 5.5 has been fixed. The drawback with using pst is that the data is not online when you want to share. Also where ever you have the pst file and it is not backed up regularly (remote users) then you will have a problem when you loose the disk.

20 megs limit for email transmition was the agreed limit between the engineers. 90% of our employees are engineers and are remote, so it all depends on your company's needs. They some times need to email large data.

Again it all depends on the capacity and purpose of your company's email needs.

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