- Email Sending Limits on Hosticko: How Many Emails Can You Send?
Email Sending Limits on Hosticko: How Many Emails Can You Send? #
Email sending limits exist to protect your domain reputation, reduce spam risk, and keep mail delivery stable for everyone on the platform.
This guide explains Hosticko’s sending policy, what counts toward your quota, what happens if you exceed it, and what to do if you need to send high volume.
Need help reviewing your sending activity? Open a ticket:
https://client.hosticko.com/submitticket.php
Hosticko email sending limits #
Hosticko enforces email sending limits per domain (not a single global limit for the entire hosting account).
The primary rule is:
- Daily limit: up to 4,000 emails per domain per day.
- Account-level daily limit: no “global account daily limit” is applied; limits are enforced per domain.
These limits apply across all plans/tier levels and help prevent sudden spikes that can trigger spam flags or deliverability issues.
What counts toward email sending limits? #
Your email sending limits aren’t only about emails you send from Webmail or Outlook. The following all count toward your domain quota:
- Emails sent from email clients using authenticated SMTP (Outlook, Thunderbird, mobile mail apps)
- Emails sent by your website (forms, password resets, order confirmations)
- Emails sent through PHP scripts and automated systems
- Messages sent through mailing list tools (where applicable)
In other words: if it leaves your domain as outbound mail, it contributes to the sending total.
Hourly spikes, warnings, and buffering #
Besides daily limits, Hosticko also monitors hourly sending behavior to catch spam-like bursts.
A small buffer may be allowed above hourly thresholds, and messages beyond that can be queued rather than instantly delivered.
- Buffer: a buffer may be allowed above hourly limits; emails exceeding it may be queued.
- High recipient bursts: if your account sends to 250+ recipients in one hour, you may receive a warning and a temporary block may follow.
- Sustained sending: if 500+ emails are sent in a 24-hour period from one domain, a warning may be triggered, and a block may follow (still within the 4,000/day cap).
One email sent to multiple recipients can count as multiple recipients toward hourly checks (depending on the sending method).
If you’re sending to lists, keep an eye on recipient totals—not just message count.
What happens when you exceed the limits? #
When email sending limits are exceeded, one of the following may occur:
- Rejections: outbound emails may be rejected until the limit window resets.
- Temporary block: a temporary sending block may be applied to protect mail reputation.
- Queued mail: messages may be queued (delayed) if you cross buffered hourly thresholds.
If you see errors like “quota exceeded”, “rate limit”, or “temporarily blocked”, it usually means your domain hit a sending threshold.
Best practices to stay under email sending limits #
- Keep email lists clean: remove invalid addresses and bounces quickly.
- Avoid sending to huge recipient lists from hosting email: it’s designed for business mail, not mass marketing.
- Throttle automated emails: if your site sends lots of notifications, add rate control.
- Fix compromised forms/scripts: sudden spikes often come from abused contact forms.
- Authenticate your domain: set SPF/DKIM/DMARC so your mail is trusted (improves delivery and reduces spam risk).
Want official provider guidance on email authentication? Google’s documentation is a solid reference:
SPF, DKIM, and DMARC for Google Workspace.
If you need to send newsletters or bulk email #
If you’re sending marketing campaigns, newsletters, cold outreach, or large automated sequences, you should use a dedicated email platform.
This gives you better deliverability, analytics, bounce handling, and compliance tools, without risking your hosting mail reputation.
- SendGrid (transactional + marketing)
- Mailgun (transactional email)
- Mailjet (marketing + transactional)
If you tell Hosticko what you’re trying to send (and how many emails/recipients per hour/day), we can guide you to the safest setup.
Open a ticket: https://client.hosticko.com/submitticket.php
FAQs #
Are email sending limits per account or per domain? #
Sending limits are applied per domain.
Do forwarded emails count toward sending limits? #
Yes, forwarded messages can count as outbound email because they are sent out from your domain/server. If you forward a high volume to Gmail/Outlook,
you can hit rate limits faster.
My website contact form sends a lot of emails. Is that included? #
Yes, website-generated mail (scripts, forms, notifications) counts toward your outbound totals.
What should I do if I keep hitting limits? #
First, check for abnormal spikes (compromised forms/scripts). If your sending is legitimate high volume, move bulk sending to a dedicated provider
like SendGrid/Mailgun/Mailjet and keep hosting mail for normal business communication.
