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I would suggest you contact your ISP to see if they have some limitation for sending email (such as an hourly rate limit).<br />
Also, you can try to telnet to the smarthost and check if you can connect or get disconnected, etc.<br />
<br />
telnet smarthost 25<br />

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I would suggest you contact your ISP to see if they have some limitation for sending email (such as an hourly rate limit).
Also, you can try to telnet to the smarthost and check if you can connect or get disconnected, etc.

telnet smarthost 25


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I have a SBS 2011 server.<br />
<br />
We have a problem with the outgoing e-mail to external addresses. Intern e-mail works fine.<br />
We send our e-mail with a smart host of our internet provider and the last two days we have the following problems:<br />
<br />
* The most of time e-mail needs 4 minutes to send it outside. The e-mail is directly in the queue but it stucks in the queue for a few minutes. The problem exits not always but the most of time. We use GFI mail security &amp;&nbsp;GFI mail essentials for the spam and virus scanning.<br />
<br />
Is there anyone who can tell me how I can solve this problem. I will restart the server now, maybe that is a solution
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I have a SBS 2011 server.

We have a problem with the outgoing e-mail to external addresses. Intern e-mail works fine.
We send our e-mail with a smart host of our internet provider and the last two days we have the following problems:

* The most of time e-mail needs 4 minutes to send it outside. The e-mail is directly in the queue but it stucks in the queue for a few minutes. The problem exits not always but the most of time. We use GFI mail security & GFI mail essentials for the spam and virus scanning.

Is there anyone who can tell me how I can solve this problem. I will restart the server now, maybe that is a solution

Exchange 2010 - Outgoing (extern) e-mail stuck in queue for a few minutes

Network security consists of the policies adopted to prevent and monitor authorized access, misuse, modification, or denial of a computer network and network-accessible resources. Network security involves the authorization of access to data in a network, and covers a variety of computer networks; conducting transactions and communications among businesses, government agencies and individuals. Networks can be private, such as within a company, and others which might be open to public access.

Network Security

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

Small Business Server (SBS) is a line of server operating systems targeted at small businesses by bundling the operating system with a number of other Microsoft products that would normally need to be purchased or licensed separately. The most notable inclusions are Exchange, SQL Server, SharePoint and ISA/TMG (Microsoft's firewall and proxy server).