Archive for the ‘Email’ Category

Splitting a Large Mailbox into multiple files

Wednesday, July 20th, 2011

By using formail – we can split a large mailbox into multiple small one easily.

+skip
Skip the first skip messages while splitting.

-total
Output at most total messages while splitting.

 

The following command will output the first 10 messages into mailbox.1 and the next 10 messages to the mailbox.2, etc etc.

cat mailbox | formail -10 -s > mailbox.1
cat mailbox | formail +10 -10 -s >mailbox.2
cat mailbox | formail +20 -10 -s >mailbox.3

 

Shorten the URL for Gmail Hosting Services

Wednesday, October 13th, 2010

there is a way to shorten the url for gmail hosting services, all you have to do is to create a CNAME record in your DNS Server.

For example, this is the long URL to access to the gmail hosting service.
https://google.com/a/mydomain.com

Create a CNAME record in your DNS server.
mail IN CNAME ghs.google.com.

then when you type
http://mail.mydomain.com

it will redirect to your gmail hosting url
https://google.com/a/mydomain.com

Adding Sender Blacklist in Forefront for Exchange 2007

Wednesday, June 30th, 2010

To add a sender blocking list to Exchange 2007 protected by Forefront, you will need to perform the following actions under “Exchange Management Console”

– Open Organization Configuration
– Hub Transport
– Anti-spam
– Sender Filtering
– Properties
– Add the email address or the domain you want to block.

ClamAV Module: was infected: Oversized.Zip

Thursday, May 3rd, 2007

If your email is blocked by ClamAV with Virus oversized.zip, you are hitting a bug in Mail::ClamAV perl module. To fix this, you will need to install the latest ClamAV module

perl -MCPAN -eshell

install Mail::ClamAV