In order for multiple users to communicate with different sources via e-mail, the following services are available::
- Electronic mailing lists, whose messages are broadcast to a set of subscribers.
- E-mail discussion lists, whose messages are broadcast and transmitted by their subscribers.
- E-mail forwarders of addresses with a different name (alias) for the original address.
According to the request made to SI, these resources are associated with Técnico’s interest groups or services.