I would greatly appreciate it, if somebody with alot of experience in corporate email setups could give me some very brief advice on the best practice (general) configuration for email involving Exchange Server.
We are not an IT firm, but provide web support for a client. The main issues are 1. The Client receives a huge amount of spam, and 2. The current spam filter is giving false positives and its difficult to access. I want to work with their current IT supplier to sort this out, but I would like some background knowledge in the best setup first, so I know what they propose is good.
Firstly, The domain name, has a 'catch all' email account which forwards the email through a seperate account with a strong spam filter. The catch all account receives around 2000-2500 spam emails a day. I would say on average 1-2 'good' emails are falsely filtered as spam every day, and around 100 spam emails get through. This account then forwards the filtered email to another account, for the exchange server to connect to.
There is then a single Exchange Server. This connects to the account with the filtered email and downloads it via POP. It then distributes email to many different accounts, they have users around the world, however all corporate email comes through this exchange.
The main issue is, the client cannot easily access the spam filter to 'white list' good emails, so they are continuously missed.
Posts: 3004
Joined: 9.May2007
From: India
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hi mate,
For Spamming We don't have defined steps which you need to carry out because we can't predict which is a spam mail or which is the geniue one. Based on the issue we receive we use to filter out.
As a best practice - First you check the spam filter server application. 2) Whatever you receive as a spam email forward it to your one of the postmaster mailbox. 3) Pull out the report of spam email which comes on daily basis. 4) Figure out the common one spam email and confirm with your corporate IT Admin to confirm whether that emails are spam or false only. 5) if it a spamming email you set the rules to delete it or else make those specific domain as whitelist.
This will reduce and sort out your spamming issue. It is not going to quick end solution, it is slow process.
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