Deploy AI agents for client intake, case updates, and deadline management — with gated approval ensuring no privileged communication is sent without attorney review.
Law firms handle some of the most sensitive communications in any profession. Attorney-client privilege — the cornerstone of legal practice — can be waived by inadvertent disclosure, making every outbound email a potential liability. A single misdirected message containing case strategy, settlement positions, or client confidences can waive privilege for an entire subject matter, with devastating consequences for the client's legal position.
The volume of legal email compounds this risk. A mid-size litigation firm may manage thousands of active matters simultaneously, each involving communications with clients, opposing counsel, courts, experts, and co-counsel. Conflict of interest checks must be performed before any new communication, and every message must be evaluated for privilege, work product protection, and ethical compliance with state bar rules.
E-discovery obligations add another dimension. Under the Federal Rules of Civil Procedure, parties must preserve and produce electronically stored information (ESI) including emails. AI agents that handle legal communications must maintain records that satisfy preservation obligations and can withstand scrutiny during discovery disputes. The metadata, threading, and tagging of emails become evidence themselves.
Attorney-client privileged communications can be waived by inadvertent disclosure to third parties. Every outbound email must be reviewed to ensure privileged information is not disclosed to unauthorized recipients, including opposing counsel or unrelated parties.
Before communicating with any party, firms must verify no conflict of interest exists. An AI agent responding to a prospective client inquiry could inadvertently create an attorney-client relationship or disclose confidential information about an adverse party.
Missing a filing deadline or statute of limitations can result in malpractice liability. Email communications regarding court deadlines, discovery cutoffs, and response dates must be tracked and actioned with zero margin for error.
Once litigation is reasonably anticipated, parties have a duty to preserve relevant ESI including emails. Legal hold obligations require that emails and their metadata be maintained in their original form without alteration or deletion.
ABA Model Rule 4.2 prohibits communication with represented parties without consent of their attorney. AI agents must identify represented parties and route communications appropriately to avoid ethical violations that could result in sanctions or disqualification.
Law firms operating across jurisdictions must comply with varying state bar rules on advertising, solicitation, and electronic communications. What constitutes permissible client communication in one state may violate ethics rules in another.
Every AI-composed email undergoes attorney review before delivery. The approval queue displays the full message, recipient details, and matter context, allowing attorneys to verify no privileged information is being disclosed to unauthorized parties.
AI agents tag incoming communications with party names, matter references, and relationship indicators. Before drafting any response, the agent checks against known adverse parties and flags potential conflicts for attorney review.
AI agents monitor incoming emails for deadline references — court orders, discovery requests, filing dates — and create tagged notifications. Gated send ensures deadline-related communications to clients and courts are reviewed for accuracy before delivery.
All email communications are logged with full metadata, threading information, and immutable timestamps. Tagged communications can be placed on legal hold, preventing deletion and maintaining the chain of custody required for e-discovery production.
AI agents handle initial client inquiries with templated responses that avoid creating premature attorney-client relationships. All intake communications are reviewed before delivery to ensure compliance with solicitation rules and conflict screening requirements.
const response = await fetch('https://api.multimail.dev/v1/mailboxes', {
method: 'POST',
headers: {
'Authorization': 'Bearer mm_live_your_api_key',
'Content-Type': 'application/json'
},
body: JSON.stringify({
address: '[email protected]',
display_name: 'Johnson v. Acme Corp',
oversight_mode: 'gated_all',
forward_to: '[email protected]'
})
});
const mailbox = await response.json();
console.log(`Matter mailbox created: ${mailbox.id}`);Set up a dedicated mailbox for a legal matter with gated_all oversight to ensure every communication is reviewed for privilege before delivery.
const response = await fetch('https://api.multimail.dev/v1/emails', {
method: 'POST',
headers: {
'Authorization': 'Bearer mm_live_your_api_key',
'Content-Type': 'application/json'
},
body: JSON.stringify({
from: '[email protected]',
to: '[email protected]',
subject: 'Case Update: Discovery Phase Status',
text: 'Dear Ms. Johnson, I wanted to update you on the current status of your case. We have completed our initial review of the documents produced by the opposing party and have identified several key exhibits. I would like to schedule a call this week to discuss our findings and next steps. Please let me know your availability.',
tags: ['case-update', 'matter-2026-0142', 'client-communication']
})
});
const email = await response.json();
console.log(`Pending attorney review: ${email.status}`);Compose a client case update that enters the attorney review queue, ensuring privileged case strategy is not inadvertently disclosed.
"cm">// MCP tool calls for legal deadline extraction
const inbox = await mcp.check_inbox({
mailbox: '[email protected]',
unread: true
});
const deadlinePatterns = [
/(?:due|deadline|respond)\s*(?:by|before|on)\s*(\w+ \d{1,2},? \d{4})/i,
/(?:filed?|submit|serve)\s*(?:by|before|on|within)\s*(\d+ days?)/i,
/(?:hearing|trial|conference)\s*(?:on|scheduled for)\s*(\w+ \d{1,2},? \d{4})/i,
/(?:statute of limitations|SOL).*?(\w+ \d{1,2},? \d{4})/i
];
for (const message of inbox.messages) {
const email = await mcp.read_email({ message_id: message.id });
const tags = ['matter-2026-0142'];
for (const pattern of deadlinePatterns) {
if (pattern.test(email.body) || pattern.test(email.subject)) {
tags.push('has-deadline', 'calendar-review');
break;
}
}
if (email.from.includes('court') || email.from.includes('clerk')) {
tags.push('court-communication');
}
await mcp.tag_email({ message_id: message.id, tags });
}Use the MCP server to scan incoming legal emails for deadline references, filing dates, and court orders, tagging them for calendar integration.
"cm">// Process new client inquiry via MCP
const inquiry = await mcp.read_email({ message_id: inquiryId });
"cm">// Tag for intake tracking
await mcp.tag_email({
message_id: inquiryId,
tags: ['intake', 'prospective-client', 'conflict-check-required']
});
"cm">// Send templated acknowledgment (enters gated approval queue)
await mcp.send_email({
from: '[email protected]',
to: inquiry.from,
subject: 'Re: Your Inquiry to Smith & Associates',
text: `Thank you for contacting Smith & Associates. We have received your inquiry and will review it promptly.\n\nPlease note that this response does not constitute legal advice and does not create an attorney-client relationship. An attorney will follow up with you within two business days after conducting a preliminary review.\n\nIf your matter is urgent, please call our office directly at (555) 123-4567.\n\nSmith & Associates LLP`
});Handle prospective client inquiries with templated responses that avoid creating premature attorney-client relationships, with attorney review before delivery.
| Regulation | Requirement | How MultiMail helps |
|---|---|---|
| ABA Model Rule 1.6 (Confidentiality) | Lawyers shall not reveal information relating to the representation of a client unless the client gives informed consent. This obligation extends to all forms of communication including electronic mail, and requires reasonable measures to prevent inadvertent or unauthorized disclosure. | Gated_all oversight mode ensures every outbound email is reviewed by the responsible attorney before delivery. This prevents AI agents from inadvertently disclosing confidential client information to unauthorized recipients. The approval workflow documents informed consent for each communication. |
| ABA Model Rule 4.2 (Communication with Represented Persons) | A lawyer shall not communicate about the subject of representation with a person the lawyer knows to be represented by another lawyer, unless the lawyer has the consent of the other lawyer or is authorized by law or court order. | AI agents can maintain a list of represented parties and their counsel. Before composing any outbound email, the agent checks the recipient against this list and flags potential Rule 4.2 issues for attorney review. Gated approval ensures no prohibited communication occurs. |
| FRCP Rule 37(e) (ESI Preservation) | If electronically stored information that should have been preserved in the anticipation or conduct of litigation is lost because a party failed to take reasonable steps to preserve it, the court may impose sanctions including adverse inference instructions. | MultiMail's immutable audit logs and email archives satisfy ESI preservation obligations. Emails can be tagged with legal hold markers to prevent deletion. Full metadata preservation including threading, timestamps, and headers supports defensible e-discovery production. |
| State Bar Advertising and Solicitation Rules | Most state bars regulate lawyer advertising and solicitation, including electronic communications with prospective clients. Requirements vary by jurisdiction but typically mandate specific disclaimers, prohibit misleading statements, and restrict direct solicitation of accident victims. | Gated oversight ensures all prospective client communications are reviewed for compliance with applicable state bar rules before delivery. Templated intake responses can include jurisdiction-specific disclaimers, and attorney review prevents AI agents from making prohibited solicitation contacts. |
Email infrastructure built for AI agents. Verifiable identity, graduated oversight, and a 38-tool MCP server. Formally verified in Lean 4.