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The Office 365 send/receive limit is 25mb and the default Exchange 2010 limit is 10mb but it can be adjusted to whatever you want (up to unlimited), but it doesn't mean that the receiving server can receive the same size limits.<br />
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Alan
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The Office 365 send/receive limit is 25mb and the default Exchange 2010 limit is 10mb but it can be adjusted to whatever you want (up to unlimited), but it doesn't mean that the receiving server can receive the same size limits.

Alan

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i actually meant the number of recipients i can email at once. :)
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i actually meant the number of recipients i can email at once. :)

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what are the limits when it comes to sending emails for office 365 and exchange 2010?
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what are the limits when it comes to sending emails for office 365 and exchange 2010?

Office 365/exchange 2010 Mail Limites

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

Within Internet message handling services (MHS), a message transfer agent or mail transfer agent (MTA) or mail relay is software that transfers electronic mail messages from one computer to another using a client–server application architecture. A MTA implements both the client (sending) and server (receiving) portions of the Simple Mail Transfer Protocol (SMTP). The terms mail server, mail exchanger, and MX host may also refer to a computer performing the MTA function. The Domain Name System (DNS) associates a mail server to a domain with mail exchanger (MX) resource records containing the domain name of a host providing MTA services.