The service "Telepost" is a service of acceptance, transmission by fax and delivery of messages following the registered letter post procedure at  the recipient's address against signature.

The service is offered  in post offices with separate workplaces that are equipped with fax machines.
The messages are text or graphic documents in A4 format. The service is provided by official form to be completed by senders in post offices. The form can be filled in on  the site of Bulgarian Posts. It can be saved and printed or downloaded and filled in by hand.

Additional services to service "Telepost." :

-"Certification of content" - the sender provides two identical copies of the completed form, one of which shall be certified on each page with date-stamp and signature of the receiving officer and returned to the sender, and the second should be sent by fax to the destination post office for delivery to the address of the recipient. The additional service "Certification of content" must be provided with an "Advice of delivery."

- "On demand" - the message is delivered at the counter in the specified by the sender post office at the request of the recipient against a signature .

- "Advice of delivery" – upon delivery the recipient  signs  and  specifies the date of delivery on the "Advice of delivery", which is returned to the sender.
- "Luxury Telepost" - the message is delivered printed on a luxury form (card) at  the recipient's address against signature.

The prices for additional services are added to the basic price for the acceptance, transmission and delivery of a message from one page. For each next page there is an additional cost.

The deadline for delivery of messages "Telepost" for recipients with addresses that are served by post offices with fax machines is up to 12 hours from the time of submission of the message.

The deadline for delivery of messages "Telepost" for recipients with addresses that are served by post offices without fax machines is untill next working day.