When it comes to manage an online business, specifically in the case of a remote working set up, collaborative tools are the first option that are focused upon. A crucial step in setting up a workable business pattern with your employees, associates and clients is largely dependent on the productivity tools that you choose for your business.Though there are numerous free email services like Gmail, Hotmail and Yahoo to use for online communication yet for a professional environment and increased need of security these do not account much. This takes any businessman a step ahead to focus on more customized options for his/her email arrangements. Businesses involving more than 20 employees demand an effective work policy and synchronized communication amongst all team members. This can be best served with the help of a dedicated email server.Intuitive and Simplistic Interface: Find an email server software which provides you with a clean and uncomplicated interface to work with. As you expand your business and add more team members, your primary concern should never drift towards training new staff in getting along with the business applications.High Level Security and Encryption: Staying secure while staying connected is a primary concern for entrepreneurs corresponding over the web with their staff. Check for the security features with your free email client provider and ask their help or support for specific concerns like whether SSL is enabled for all email communications or not. For smooth and secure authentication, ask if their emails server has LDAP integration enabled.Exclusive Business Email Collaboration: Evaluate the corporate email collaboration side of the email client which you are going to implement for all of your exchanges. It should leverage absolute control, supervision and management in an effortless manner.Easy multiple task management: A smart email interface makes multi tasking a breeze so that your email experience is more like tabbed browsing. Visualize the needs of your work pattern and check them against the functionalities of the free web mail software.Built in one-to-one and group collaboration tools: Collaboration should not be limited to chat modules only in any free email server. Your email service should merge your social media life streams along with audio and video conferencing, collaborative calendar and meeting scheduler. Try to look for functionalities that would make group collaboration more simplistic and fun to live with.Multiple account management: While running the show, top-level management is often stuck up with managing multiple email accounts simultaneously. Any good mail server software necessarily needs to have this functionality integrated in its service.Advanced support for IMAP and POP3: Last but not the least, check if your free email server client supports IMAP and POP3 protocol. If it does, then make sure that all the major email clients in the market are supported so you can import your existing emails easily to your new email server.