How to make sure you receive all the alert emails on time from Site24x7?
Site24x7 offers deep insight into the availability and performance of your IT infrastructure; further triggering timely alerts during any performance issues. However, you may have trouble receiving these alert emails in your inbox, if you haven't set up a proper allowlist rule in your organization mail server. Proper allowlisting facilitates better reception of alert emails from Site24x7 to your inbox and prevents emails from being sent to your spam folder instead.
To seamlessly receive alert emails in your inbox, please follow the guidelines listed below:
1. US data center
You may have to allowlist our email sending domain "mail.site24x7.com" and the following mail sending IPs in your firewall rules:
- 204.141.42.0/23
- 136.143.190.0/23
- 136.143.187.0/24
- 65.154.166.0/24
- 8.45.169.0/24
- 216.52.72.0/23
- 204.141.32.0/23
- 136.143.186.0/24
- 136.143.189.0/24
- 204.141.160.0/24
- 136.143.182.0/23
- 135.84.80.0/22
Once this is done, you must also add the email address "noreply@site24x7.com" to your mail client’s “Address book” or “Safe senders list”. Just open an alert email from Site24x7 and verify its trustworthiness.
2. EU data center
You may have to allowlist our email sending domain "mail.site24x7.eu" and the following mail sending IPs in your firewall rules:
- 185.20.209.0/24
- 31.186.243.0/24
- 185.20.211.0/24
- 31.186.226.0/24
- 87.252.213.0/24
- 89.36.170.0/24
- 185.172.199.0/24
Once this is done, you must also add the email address " noreply@site24x7.eu" to your mail client’s“Address book” or “Safe senders list”. Just open an alert email from Site24x7 and verify its trustworthiness.
3. CN data center
You may have to allowlist our email sending domain "mail.site24x7.cn" and the following mail sending IPs in your firewall rules:
- 163.53.93.0/24
- 163.53.94.0/27
- 118.126.63.128/25
- 118.126.63.64/26
- 124.251.121.0/24
- 124.251.122.0/25
- 124.251.128.0/24
Once this is done, you must also add the email address "noreply@site24x7.cn" to your mail client’s “Address book” or “Safe senders list”. Just open an alert email from Site24x7 and verify its trustworthiness.
4. IN data center
You may have to allowlist our email sending domain "mail.site24x7.in" and the following mail sending IPs in your firewall rules:
- 103.89.75.0/24
- 103.103.199.0/24
- 103.122.78.0/24
- 125.17.151.80/28
- 125.17.212.96/28
- 103.89.74.0/24
- 103.103.196.0/23
- 103.103.198.0/24
- 103.117.158.0/24
- 103.117.159.0/24
- 199.34.22.32/28
- 125.18.30.112/28
- 125.16.138.240/28
- 154.83.3.32/28
Once this is done, you must also add the email address "noreply@site24x7.in" to your mail client’s “Address book” or “Safe senders list”. Just open an alert email from Site24x7 and verify its trustworthiness.
5. AU data center
You may have to allowlist our email sending domain "mail.site24x7.net.au" and the following mail sending IPs in your firewall rules:
- 101.97.36.0/24
- 103.138.128.0/23
- 103.91.166.0/24
Once this is done, you must also add the email address " noreply@site24x7.net.au" to your mail client’s “Address book” or “Safe senders list”. Just open an alert email from Site24x7 and verify its trustworthiness.
6. JP data center
You may have to allowlist our email sending domain " mail.site24x7.net.jp " and the following mail sending IPs in your firewall rules:
- 103.163.153.0/25
- 165.173.185.0/25
- 199.67.71.0/24
- 103.163.152.0/23
Once this is done, you must also add the email address " noreply@site24x7.net.jp" to your mail client’s “Address book” or “Safe senders list”. Just open an alert email from Site24x7 and verify its trustworthiness.
7. SA data Center
You may have to allowlist our email sending domain "mail.site24x7.sa" and the following mail sending IPs in your firewall rules:
199.67.80.0/23
199.67.82.0/23
199.67.88.0/24
169.148.131.0/24
199.67.89.0/24
169.148.129.0/24
Once this is done, you must also add the email address " noreply@site24x7.sa" to your mail client’s “Address book” or “Safe senders list”. Just open an alert email from Site24x7 and verify its trustworthiness.
8. CA data center
You may have to allowlist our email sending domain "mail.site24x7.ca" and the following mail sending IPs in your firewall rules:
199.67.69.0/24
199.67.84.0/24
199.67.85.0/24
199.67.86.0/24
199.67.87.0/24
Once this is done, you must also add the email address " noreply@site24x7.ca" to your mail client’s “Address book” or “Safe senders list”. Just open an alert email from Site24x7 and verify its trustworthiness.
9. UK data center
You may have to allowlist our email sending domain "mail.site24x7sp.uk" and the following mail sending IPs in your firewall rules:
199.67.88.0/24
169.148.131.0/24
199.67.89.0/24
169.148.129.0/24
Once this is done, you must also add the email address " noreply@site24x7sp.uk" to your mail client’s “Address book” or “Safe senders list”. Just open an alert email from Site24x7 and verify its trustworthiness.
Note: There is a limit of 500 alerts per day for an email address.
Related articles
Related Articles
What are the promotional emails sent by Site24x7?
Site24x7 sends promotional emails to make your Site24x7 onboarding process smooth, introduce you to the various important services we offer, suggest new features, follow-up on individual demos, distribute monthly newsletters, communicate seminar, or ...How does the Poll Strategy setting work for website monitors?
When configuring thresholds for performance metrics, you can set strategies that the website monitor will use to send alerts during a threshold breach. There are twelve options available: Poll count Poll average Time duration Average time Poll sum ...Alert Notifications badge
What is Alert Notification badge? View real-time status updates for all your monitors with the Alert Notifications badge on the top-right corner of the client dashboard. This feature ensures that no critical updates are missed, even on a static ...Why is my website response time too high from China?
If your website is hosted outside China and you have chosen China as the location for monitoring, then the website response time will be high. This is because of the Great Firewall policy followed by China wherein, all the data coming from outside ...Response time and its components
Response time is comprised of five major components namely DNS time, connection time, SSL Handshake Time, first byte and Download time. Let us consider a scenario to further explain these terms: A website zoho.com is monitored by Site24x7. Firstly, ...