Templated content
Yandex says its anti-spam system lowers limits when it sees many similar messages. Varied, personal content matters here.
Warm-up by provider
How to warm up a Yandex Mail inbox
Short answerTo warm up a Yandex Mail mailbox, allow access from mail clients, create an app password, connect over IMAP and SMTP, and ramp from 2-5 to 30-50 emails a day over three to four weeks. Yandex 360 for Business limits each address to 3,000 external recipients a day and 35 recipients per message over SMTP.
Step by step
Connect Yandex to RoxInbox
Connection method: IMAP/SMTP with an app password.
- 1
In Yandex Mail settings, allow access from mail clients over IMAP.
- 2
Create an app password for mail in your Yandex ID security settings.
- 3
In RoxInbox, choose Add mailbox, then Yandex, and enter the address and app password.
- 4
Publish SPF, DKIM and DMARC for the domain; RoxInbox checks them and starts the ramp.
Sending limits 2026
Yandex sending limits
Yandex states these limits can't be changed, and that its anti-spam system can lower them when it sees mass mailing of similar messages.
| Limit | Value |
|---|---|
| External recipients per address, 24 hours | 3,000 |
| External recipients per domain, 24 hours | 5,000 across all addresses on the domain |
| Recipients per message from the website | 50 |
| Recipients per message from a mail client or SMTP | 35 |
Source: Yandex 360 for Business Help: I can't send emails, checked 14 October 2026.
Ramp plan
A starting ramp for a new domain.
RoxInbox adapts this daily from real spam signals. Use the calculator for a plan for your own domain.
| Week | Emails per day | Note |
|---|---|---|
| Week 1 | 3-6 | Warm-up only |
| Week 2 | 6-14 | Vary content; similar messages lower limits |
| Week 3 | 14-28 | Placement test with Yandex seeds |
| Week 4 | 28-45 | Start campaigns slowly |
Pitfalls
What sends Yandex mail to spam
Client access left off
IMAP access from mail clients is off until you allow it in settings, and an app password is required.
Shared domain limit
The 5,000-a-day limit is shared by every address on the domain, so many mailboxes on one domain run out together.
FAQ
Yandex warm-up questions
How many emails can I send from Yandex Mail per day?
Yandex 360 for Business allows 3,000 external recipients a day per address and 5,000 per domain, with up to 35 recipients per message over SMTP.
Why is my Yandex mailbox blocked from sending?
Usually a burst of similar messages or reaching the daily limit. Spread sending out, vary content, and keep volumes well below the limit.
Other providers: Outlook / Microsoft 365 · Google Workspace · Yahoo Mail · Zoho Mail · iCloud Mail · Mail.ru · GMX / WEB.DE · Corporate SMTP
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