LetterAgent
Mail physical letters by just asking your AI assistant.
A fax server is software on a company's network that replaces a room full of fax machines: it routes outbound faxes from employees' desktops and delivers inbound faxes to email inboxes. Hospitals, law firms, insurers, and government offices still run them, mainly for compliance, audit trails, and the fact that their counterparties still fax.
Think of it as a print server, but the "printer" is the phone network. An employee prints a document to a virtual fax printer, types in the recipient's number, and the server queues the job, dials out through its phone lines or internet fax trunks, and sends it. Inbound works in reverse: faxes arrive on the company's fax numbers, the server converts them to PDF or TIFF, and routes each one to the right person's email based on the number dialed or a routing code. Nobody walks to a machine, and nobody's confidential fax sits in a shared output tray.
| Fax machine on a desk | Fax server on the network |
|---|---|
| One line, one machine, one location | Many lines shared across the whole company |
| Inbound faxes print where anyone can read them | Inbound faxes route to the recipient's email |
| Logging means a paper journal or nothing | Every send and receive is logged with time, number, and result |
| Busy signals when two people fax at once | Jobs queue and go out as lines free up |
The heaviest users are industries where faxing is effectively mandatory. Hospitals fax referrals, discharge papers, and prescriptions because their partners' workflows are built around fax numbers, and a fax server gives them the audit trail HIPAA expects: who sent what, to which number, and when. Law firms keep them for court filings and client intake in jurisdictions that still accept fax. Insurance companies, mortgage lenders, and government agencies round out the list. In all these cases, the server is less about loving fax and more about not being the first party to stop accepting it.
The hardware has modernized even if the protocol has not. Old setups used banks of analog phone lines with fax boards in the server. Newer ones connect over SIP trunks using T.38, the protocol for fax-over-internet, which carries fax signaling reliably where ordinary VoIP voice calls garble it. Products in this space include long-standing names like OpenText RightFax and GFI FaxMaker. The trend for smaller organizations is to skip the server entirely and use a cloud fax service or a fax API, which is the same idea (desktop to fax network) without owning any of it.
Almost certainly not, unless you are an IT administrator at an organization that receives hundreds of faxes a week and needs centralized logging. For everyone else, the server's job (send from your desk, receive to your inbox) is exactly what online fax services do, minus the server closet.
LetterAgent covers the sending side simply: describe the fax to your AI assistant, approve the exact quoted price, and it is sent to US and Canadian fax numbers. Fax is currently available in testing, so send times are not guaranteed, and there is no inbound fax.
Ready to fax it? Fax with LetterAgent: describe it to your AI assistant, approve the exact quoted price, and it is sent.
LetterAgent is a working name. Prices include print, postage, and our service fee. US prices in USD, Canadian prices in CAD (Canadian prices exclude applicable sales tax, added at checkout). Currently in private testing.
Need help? Ask your assistant: it can check a job's status any time. If it ever can't handle something: hello@getletteragent.com