Graymail has two cut-offs: 11 ignored emails at HubSpot, 3 years in India's law
Where a mail platform's default and India's DPDP Rules draw the line on subscribers who opted in and stopped reading, as of September 2026.
A subscriber who opted in and then stopped reading now meets two cut-offs. HubSpot stops sending them marketing email by default after 11 ignored sends, or 16 if they once engaged; and India’s DPDP Rules make the largest consumer platforms erase a silent user’s data after three years. That subscriber is what the 2023 version of this piece called graymail. The question it asked still stands: how long do you keep mailing someone who said yes and never says anything again?
01The platform has already drawn one line
HubSpot defines graymail as “email that contacts have opted in to receive, but don’t interact with”, and counts an engagement as an open or a click. A contact who has never engaged and has ignored the last 11 marketing emails, or who engaged once and has ignored the last 16, is treated as unengaged. The “Don’t send to unengaged contacts” switch is on by default for all emails on every plan; turning it off needs a paid Marketing Hub subscription.1
The weak point is the word “opens”. Apple’s Mail Privacy Protection, announced on 7 June 2021, stops senders using invisible pixels to learn whether a message was opened,2 so an iPhone reader who never reads can still register as opening and stay off the unengaged list. The mailbox providers judge on complaints instead: Gmail asks bulk senders to keep reported spam below 0.3%,3 a ceiling our drip-campaigns analysis covers in full.
An ignored subscriber hits a platform cut-off after 11 to 16 sends; on India's largest platforms the law adds one at three years
Thresholds for unengaged email contacts: HubSpot's default and the DPDP Rules' Third Schedule, as of September 2026
- 01
11 sends ignored
A contact who has never opened or clicked is suppressed from HubSpot marketing email by default.
- 02
16 sends ignored
A contact who engaged once and then went quiet is suppressed too.
- 03
Ask once, then stop
One re-permission email; no click means the address leaves every marketing list and stays on a suppression list.
- 04
Three years silent
E-commerce and social platforms with two crore Indian users, gaming with fifty lakh, must erase, with 48 hours’ notice.
Source: HubSpot Knowledge Base, graymail article; DPDP Rules 2025, Rule 8 and Third Schedule; step 3 is TechBag's recommendation · as of 30 September 2026 · the three-year clock applies from 13 May 2027
02What it costs, and what the law adds in India
Graymail is billed. HubSpot prices Marketing Hub by marketing contacts, the ones you actively mail; TechBag’s intel page records roughly US$250 a month for each additional 5,000 on Professional, in US dollars.4 Bought through a reseller it is invoiced in INR with 18% GST, so a dormant block of 5,000 is a recurring rupee cost, not a rounding error.
The Digital Personal Data Protection Act, 2023 already requires that withdrawing consent be as easy as giving it, and that data be erased once consent is withdrawn or the purpose is no longer served.6 The DPDP Rules, notified on 13 November 2025, put a number on “no longer served” for three classes: e-commerce entities and social media intermediaries with at least two crore registered users in India, and online gaming intermediaries with fifty lakh, must erase a user’s data three years after the user last approached them, warning the user at least 48 hours before. That rule applies from 13 May 2027.5 Most senders are below those thresholds, but the direction is clear: in India a subscriber who has gone silent is a liability with a date on it.
Sources
- HubSpot Knowledge Base, What is graymail and how can I avoid sending my email to unengaged contacts? — last updated 25 September 2026
- Apple Newsroom, Apple advances its privacy leadership with iOS 15, iPadOS 15, macOS Monterey and watchOS 8 (Mail Privacy Protection) — 7 June 2021
- Google Workspace Admin Help, Email sender guidelines (spam rate below 0.3%) — bulk-sender requirements in force from 1 February 2024
- TechBag, HubSpot Marketing Hub intel page (marketing-contacts pricing) — as committed 30 September 2026
- MeitY, Digital Personal Data Protection Rules, 2025 (G.S.R. 846(E)), Rule 1(4), Rule 8 and Third Schedule — 13 November 2025
- Digital Personal Data Protection Act, 2023, sections 6(4) and 8(7) — 11 August 2023
Disclosure. TechBag is a software reseller: it earns a margin when a reader buys through it, including from vendors named here. The analysis is TechBag’s own; no vendor paid for or saw this piece before publication. Facts are labelled reported, TechBag count or our view.
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