Gmail allows you to delegate access to your account
A new feature allows you to delegate your account Gmail or Google Apps standard to the person of your choice. Specifically, the person to whom you delegate your account will be able to read and reply to your messages on your behalf.
This feature was previously only available on Google Apps for Business accounts. Henceforth, it is offered to all Gmail accounts and Google Apps. Why wish you delegate your Gmail or Google Apps? If for example one of your addresses is used by multiple users, such as an address or contact info. When you leave for a prolonged period of vacancy, you can grant access to your account to colleagues so they can respond to your customers.
It is possible to grant access to your account to one or more persons. When one of the persons to whom you delegate your account replies to a message, Gmail will indicate that the message was sent by votredélégué@gmail.com on your behalf. You will find the feature "Allow access to your account" in "Settings" - "Account and import."