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Mar
19
comment Wait Time (TTFB) Difference Between Apache and IIS 8.5
This is not a question, and is therefore de facto Off Topic for this Question and Answer site. If it were a question it would be a duplicate of the capacity planning question, because the answer would be "If you want to know why the Time To First Byte varies between these systems you need to perform load tests and profiling to determine where your system bottlenecks are."
Mar
19
reviewed Close Wait Time (TTFB) Difference Between Apache and IIS 8.5
Mar
19
reviewed Close How does NIC bonding in Linux work?
Mar
19
comment How does NIC bonding in Linux work?
This could be answered by a simple Google search for your question title (First result, Second result) - It is all explained in the NIC Bonding documentation, and on MANY websites...
Mar
19
comment Relay denied (454)
Dumping an error and your entire mail system configuration on us and expecting us to basically be your system administrator is a bit out of scope for Server Fault. I suggest you google Postfix "relay access denied" as a starting point, perform some testing on your own, and see if you can work out a solution (or at least narrow the scope of your problem to something that could reasonably be answered in Q&A form as opposed to being a consulting job).
Mar
19
reviewed Close Relay denied (454)
Mar
19
comment Daily sftp stops working, and weekly sshd fails and needs reinstall
That's really not a "solution". You need to find the root cause of the problem (or rebuild your system to eliminate it) - throwing in a hack like this to work around virtually guarantees future problems...
Mar
19
comment DNS and SPF configuration for Microsoft Exchange
Related: Our canonical "What can I do to fight spam?" question. (Which has its own related questions listed in the header that might help you out with SPF setup)
Mar
19
revised DNS and SPF configuration for Microsoft Exchange
edited tags
Mar
19
reviewed Leave Open DNS and SPF configuration for Microsoft Exchange
Mar
19
revised DNS and SPF configuration for Microsoft Exchange
Changed formatting to include the original questions so the answer is a little easier to read. Rearranged a couple of paragraphs for flow.
Mar
19
reviewed Close Traffic shaping for upload/download speed simulation
Mar
18
awarded  Enlightened
Mar
18
awarded  Nice Answer
Mar
17
awarded  debian
Mar
16
reviewed Leave Open Using multiple IPs on one machine for web and game server
Mar
16
reviewed Close SSH and many other programs are not working after chmod -r 755 /etc
Mar
16
awarded  Nice Answer
Feb
20
awarded  domain-name-system
Feb
17
awarded  hardware