Appendices and Glossary

Effective 8 October 2026 · Version 1.0

A glossary of more than 60 terms, a list of every document in the Indo Mail set with one line each, a contact directory and the Indian laws we refer to. For readers who need a quick reference.

1. About this document

This document brings together the reference material that sits behind the rest of the Indo Mail document set: a glossary of terms, a list of every document in the set with a one-line description, a contact directory and a list of the Indian laws we refer to. Use it to find the right document, the right email address or the meaning of an unfamiliar word.

Indo Mail is a separate app of INDO CHATS PRIVATE LIMITED, whose registered office is at 168, GT Rd, near Aloka Cinema, Shibpur, Howrah, West Bengal 711102, India. Its website is https://indoemail.in. Documents that cover features marked as planned describe how we intend to run them. Those features are not live yet.

2. Glossary

Terms are listed in alphabetical order. A term in a document keeps the meaning given here unless that document says otherwise.

Term	Meaning
2-Step Verification	A sign-in method that asks for a 6-digit code from an authenticator app as well as your password.
Account	Your Indo Mail identity: your address, password, settings and stored data.
Ad Manager	The app where advertisers create, review and pause their ads.
Admin console	The page where a business administrator creates mailboxes, manages people and sees sign-in history.
Administrator	A person who manages the Indo Mail accounts of an organisation.
Alias	Another address that delivers mail to the same mailbox.
Amazon Web Services (AWS)	The cloud provider that hosts Indo Mail in its Mumbai region. It is our main processor.
Archive	Moves a message out of the inbox without deleting it. It stays in All mail.
Attachment	A file sent with an email message. Up to 25 MB per message in Indo Mail.
Authenticator app	A phone app that makes time-based codes for 2-Step Verification.
Bcc	Blind carbon copy. Recipients added here receive the message but are hidden from other recipients.
Bcrypt	A one-way method for storing passwords so that the original cannot be read back.
Bounce message	An automatic message that tells you an email could not be delivered, and why.
Business Starter	The free business plan: up to 10 mailboxes on your own domain, 50 GB each, admin console, no ads.
Business plan	The ₹149 per user per month plan with a custom domain, an admin console and 200 GB per user.
Cc	Carbon copy. A way to copy people openly on a message.
CERT-In	The Indian Computer Emergency Response Team, which issues cyber-security directions.
CIN	Corporate Identity Number, a unique number given to a company registered in India.
Contextual ad	An ad chosen from the page, country, language and placement, never from private mail content.
Conversation thread	A message and all its replies grouped together.
Cookie-free counting	A way of counting ad conversions without placing cookies on a visitor's device.
CSV	A plain file of values separated by commas, used for lists such as the admin customers download.
Data fiduciary	Under the DPDP Act, the party that decides why and how personal data is processed.
Data principal	Under the DPDP Act, the person the personal data is about.
Data processor	A company that handles personal data on behalf of another, for example a hosting provider.
Delivery queue	The waiting line for outgoing messages. Indo Mail retries for about three days.
DKIM	DomainKeys Identified Mail, a digital signature that proves a message really came from the sending domain.
DMARC	A rule that tells receivers what to do with mail that fails SPF or DKIM checks.
DNS	Domain Name System, the internet's address book that connects names to servers.
DPDP Act	The Digital Personal Data Protection Act, 2023, India's main personal data law.
DPIIT	The Department for Promotion of Industry and Internal Trade, which recognises start-ups.
Draft	A message you have started but not sent. Indo Mail saves drafts automatically.
Drive	The Indo Mail app for storing files up to 5 GB each and sharing them by link.
Encryption at rest	Scrambling stored data so that it cannot be read without the key. Files in Drive use AES-256.
Encryption in transit	Scrambling data while it travels between devices and servers, using TLS.
End-to-end encryption	A method in which only the sender and recipient can read a message. Planned for Indo Mail, not live yet.
Enterprise plan	The ₹299 per user per month plan with 1 TB pooled storage, migration and 24×7 support, sold by contract.
Free plan	The ₹0 plan with 50 GB shared across Mail, Drive and Photos and contextual ads.
Grievance Officer	The person who handles complaints under the IT Rules, 2021. Reach them at grievance@indoemail.in.
GST	Goods and Services Tax. Indo Mail prices exclude 18% GST.
GSTIN	The GST Identification Number of a registered business.
HSTS	A setting that tells browsers to use only secure HTTPS connections to a site.
HTTPS	The secure version of the web protocol, which protects data between your device and a site.
IMAP	A method for other apps to read mail from a server. Planned for Indo Mail, not live yet.
Indo AI	Indo Mail's assistant features. Live since release 1.6: summaries, suggested replies, Important marking and nudges, all run on Indo Mail servers in Mumbai. Writing help is planned.
Label	A coloured tag that you attach to messages to organise them.
Mailbox	The storage space where an account's messages are kept.
Maskable icon	An app icon with extra padding so a phone can crop it to any shape.
MX record	A DNS record that says which servers receive mail for a domain.
Pay per click	An advertising price that is charged only when someone clicks the ad.
Phishing	A trick that uses fake messages or pages to steal passwords or money.
Pro plan	The ₹99 per month or ₹999 per year plan with 100 GB, no ads and priority support.
Processor	See Data processor.
Recovery email	A second address we can use to contact you or help you regain access.
Remote image	An image in a message that loads from another server. Indo Mail blocks it until you allow it.
Report scam	A button on the warning banner that lets you tell us a message is a scam.
Route 53	The AWS service that runs the DNS for indoemail.in.
S3	Amazon Simple Storage Service, where Drive files are stored in encrypted form.
Scam warning banner	A notice at the top of a message that explains why it may be a scam.
SDK	Software development kit, a bundle of code from a third party. Indo Mail uses no third-party SDKs.
SES	Amazon Simple Email Service, which we use to relay outgoing mail to other providers.
Sign-in history	A list in Settings of when and from where your account was opened.
Spam	Unwanted or bulk mail. Indo Mail moves it to the Spam folder.
SPF	Sender Policy Framework, a list of servers allowed to send mail for a domain.
SQLite	The database engine Indo Mail uses today, with full-text search. A move to PostgreSQL is planned.
STARTTLS	A way to upgrade a mail connection to an encrypted one.
Sub-processor	A processor that another processor uses. See our list of processors in the Data Protection Policy.
TLS	Transport Layer Security, the encryption used on secure connections.
TOTP	Time-based one-time password, the type of code that authenticator apps make.
Trash	The folder where deleted messages wait before they are removed for good.
UPI	Unified Payments Interface, India's instant payment system.
Wallet	The Indo Mail app that creates UPI payment-request links and QR codes. It does not hold money.
Web Push	A browser feature that delivers notifications even when the site is closed.
Zero Data Sharing	Our promise: we never sell data, use no third-party trackers and keep Indian accounts' data in India.
Indo Shield	The 7-layer spam filter of Indo Mail (release 1.6): sending-server reputation, sender-domain reputation, SPF/DKIM/DMARC, headers, content model, links and attachments.

3. Appendix A: Documents in this set

Every document is written for Indo Mail by INDO CHATS PRIVATE LIMITED. Documents for features that are planned say so clearly.

No.	Document	What it covers
1	Data Protection Policy	How we collect, use, store and protect personal data under the DPDP Act, 2023.
2	KYC & Identity Verification	How and when we check who an account holder or business is.
3	AML Compliance	Our approach to money-laundering risk, given that we do not move money.
4	Terms of Service	The rules and rights that apply when you use Indo Mail.
5	Community Guidelines	What behaviour is welcome and not welcome in our services.
6	Safety Center	Practical advice to stay safe online and use Indo Mail wisely.
7	Trust & Safety	How we find, review and act on abuse, spam and harmful content.
8	Child Safety	How we protect children and respond to child-safety reports.
9	Digital Well-Being	How we design Indo Mail to respect your time and attention.
10	Copyright Policy	How we deal with copyright and how to report infringement.
11	DMCA Policy	How we handle notices under the US Digital Millennium Copyright Act.
12	Trademark Policy	How trademarks may and may not be used on Indo Mail.
13	Intellectual Property Policy	The overall rules on ownership and use of intellectual property.
14	Transparency Reports	Regular figures on legal requests, abuse reports and actions taken.
15	Law Enforcement Guidelines	How authorities can ask for information and how we respond.
16	Creator Center	Help and rules for people who publish through Indo Mail tools.
17	Creator Monetization	Rules for earning money from content shared through Indo Mail tools.
18	Advertising Platform	How advertisers create, pay for and run contextual ads.
19	Political Ads	Why political ads are not accepted.
20	Business Accounts	How custom-domain business email, admin console and billing work.
21	Shop & Commerce	Rules for selling goods and services through Indo Mail tools.
22	API Documentation	Technical guidance for using Indo Mail's interfaces.
23	SDK Documentation	Planned guidance for software development kits.
24	OAuth Authentication	Planned sign-in authorisation for third-party developers.
25	Webhooks	Planned event notifications to developers' systems.
26	Developer Portal	The planned home for developer resources and tools.
27	AI Policy	Principles for how we build and use artificial intelligence.
28	AI Moderation	How automated tools help us find spam and abuse, with human review.
29	Recommendation System	How suggestions and ordering are chosen, and what data is not used.
30	Security Whitepaper	A detailed description of how Indo Mail is secured.
31	Infrastructure & Architecture	How the service is built and hosted.
32	Database Design	How data is organised, stored and kept consistent.
33	CDN & Media Pipeline	How files, images and downloads are delivered quickly and safely.
34	Brand Guidelines	How Indo Mail looks, sounds and is named.
35	Logo Usage	How to use the Indo Mail logo and app icon.
36	Marketing Resources	Approved descriptions, facts, claims and press contact.
37	Careers	Our mission, values, hiring approach and how to register interest.
38	Help Center	Step-by-step help for everyday tasks.
39	FAQ	Quick answers to common questions.
40	Account Management	How to manage your profile, security, plan and account closure.
41	Analytics	How we measure product use without third-party trackers.
42	Accessibility	Our accessibility target, current features, known gaps and feedback route.
43	Release Notes	What changed in each release of Indo Mail.
44	Incident Response	How we detect, handle and report security incidents.
45	Data Retention Policy	How long each kind of data is kept and when it is deleted.
46	Disaster Recovery	How we back up data and restore service after a major failure.
47	Compliance (GDPR, CCPA and Other Applicable Frameworks)	How we meet privacy and legal frameworks in India and elsewhere.
48	Appendices and Glossary	This document: terms, the document list, contacts and laws.

4. Appendix B: Contact directory

All addresses end in @indoemail.in. Please use the address that matches your need, because it reaches the right people sooner. Never send passwords, authenticator codes or UPI PINs to any address.

Address	Use it for	Expected response
support@indoemail.in	Account problems, password resets, account closure, accessibility feedback	48 hours
help@indoemail.in	General how-to questions	48 hours
grievance@indoemail.in	Complaints to the Salena, Grievance Officer, INDO CHATS PRIVATE LIMITED	Acknowledged within 24 hours; resolved within 7 days
privacy@indoemail.in	Data protection rights and the Data Protection Officer contact	Within the time the law sets
legal@indoemail.in	Legal notices, copyright and DMCA notices (subject "Copyright notice") and law-enforcement requests	Reviewed on receipt
abuse@indoemail.in	Spam, phishing, abuse, fake accounts and misuse of our name	Reviewed on receipt
security@indoemail.in	Security weaknesses and incident reports	Reviewed on receipt
ads@indoemail.in	Advertising questions and ad reviews	3 working days
sales@indoemail.in	Business and Enterprise plans	2 working days
billing@indoemail.in	Invoices, payments and plan changes	3 working days
careers@indoemail.in	Expressions of interest for future roles	Read, but not every message gets a reply
contact@indoemail.in	Brand, press, partnerships and logo use	3 working days

Grievance Officer: Salena, Grievance Officer, INDO CHATS PRIVATE LIMITED, 168, GT Rd, near Aloka Cinema, Shibpur, Howrah, West Bengal 711102, India. Data Protection Officer contact for rights under the Digital Personal Data Protection Act, 2023: privacy@indoemail.in. Complaints about non-consensual intimate imagery are acted on within 24 hours.

5. Appendix C: Indian laws referred to

The documents in this set refer to the following Indian laws and directions. They are named exactly as they are cited elsewhere.

Law or direction	Why it matters to Indo Mail
Information Technology Act, 2000	The main law on electronic records, cyber offences and intermediaries.
Information Technology (Intermediary Guidelines and Digital Media Ethics Code) Rules, 2021 (as amended)	Duties of intermediaries, including the Grievance Officer and timelines.
Digital Personal Data Protection Act, 2023	India's law on processing digital personal data.
Digital Personal Data Protection Rules, 2025	Rules that set out how the 2023 Act works, including consent and children's data.
CERT-In Directions of 28 April 2022	Report cyber incidents within 6 hours and keep ICT logs for 180 days in India.
Copyright Act, 1957	Copyright law, including the section 52(1)(c) notice-and-takedown process of 21 days.
Trade Marks Act, 1999	Protection and use of trade marks.
Consumer Protection Act, 2019	Consumer rights and remedies.
Consumer Protection (E-Commerce) Rules, 2020	Duties of e-commerce entities to consumers.
Bharatiya Nyaya Sanhita, 2023	India's criminal code.
Bharatiya Nagarik Suraksha Sanhita, 2023	Criminal procedure, including section 94 on production of documents.
Bharatiya Sakshya Adhiniyam, 2023	The law of evidence, including electronic records.
Protection of Children from Sexual Offences (POCSO) Act, 2012	Protection of children from sexual offences and duties to report.
Prevention of Money-laundering Act, 2002	Money-laundering offences. Indo Mail is not a reporting entity because it does not move money.
Central Goods and Services Tax Act, 2017	GST on plans and services.
Companies Act, 2013	Company law governing INDO CHATS PRIVATE LIMITED.
Rights of Persons with Disabilities Act, 2016	Rights of people with disabilities, including access to information and communication technology.

Where we serve people outside India, we also take account of the GDPR and UK GDPR, the CCPA and CPRA, the US Digital Millennium Copyright Act (17 U.S.C. §512), CAN-SPAM, CASL, LGPD and the UAE PDPL. The Compliance document explains how.

6. Appendix D: Company details

Item	Detail
Legal entity	INDO CHATS PRIVATE LIMITED
CIN	U62012WR2026PTC295588
PAN	AAJCI0344K
GSTIN	19AAJCI0344K1ZE
Status	DPIIT-recognised start-up
Registered office	168, GT Rd, near Aloka Cinema, Shibpur, Howrah, West Bengal 711102, India
Business headquarters	Kolkata
Governing law	The laws of India
Courts	Kolkata, West Bengal, subject to your rights under consumer law
Website and mail host	https://indoemail.in and mail.indoemail.in

7. Contact

Questions about any document in this set: contact@indoemail.in. Legal questions: legal@indoemail.in. Questions about your data: privacy@indoemail.in.

This document is governed by the laws of India.