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IMAP check
IMAP Check
Verify the IMAP server for accessing email from multiple devices.
What does the IMAP check do?
It verifies the email server for managing messages over IMAP, which allows access and synchronization across devices. Focuses on availability, response and security.
Why monitor IMAP?
IMAP is key for multi-device email access. A failure makes email unavailable and hurts productivity.
- Ensures reliable email access.
- Protects communication against security risks.
- Helps identify performance or availability issues.
What do the individual fields mean and why do they matter?
11 fields1
IMAP server
What it meansAddress of the IMAP server (e.g. imap.example.com).
Why it mattersIdentifies the server and ensures it works correctly.
2
Security
What it meansEncryption the server uses (e.g. SSL/TLS).
Why it mattersEnsures secure data transfer.
3
Port
What it meansPort the IMAP server uses (e.g. 993 for SSL/TLS).
Why it mattersThe correct port is the key to connecting.
4
IP protocol: IPv4/IPv6
What it meansIP address type the server is reachable on.
Why it mattersEnsures compatibility across devices and networks.
5
User and Password
What it meansCredentials to authenticate to the IMAP server.
Why it mattersTests authentication and sign-in.
6
Connection / Response timeout
What it meansMaximum time to wait for connection or response.
Why it mattersIdentifies availability problems or delays.
7
Slow (ms)
What it meansResponse threshold above which the server is slow.
Why it mattersWatches performance and potential issues.
8
Certificate warning (days)
What it meansDays before SSL/TLS expiration to notify.
Why it mattersEnsures renewal before it expires.
9
Check certificate expiration
What it meansVerifies SSL/TLS certificate validity.
Why it mattersProtects against expired certificate risks.
10
Check certificate trust
What it meansTests if a trusted authority issued it.
Why it mattersEnsures secure, trusted communication.
11
Check block lists (DNSBL)
What it meansWatches if the server IP is blacklisted.
Why it mattersBlacklisted servers may have delivery issues.
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