CalTel Support 
Knowledge Base Advanced Server Information
Knowledge Base Advanced Server Information
Server Information
Answer
CalTel Servers:
Domain Name Servers
| Server | Protocol | IP address | Port | Details |
|---|---|---|---|---|
| Primary | DNS | 66.102.144.5 | udp/53 | Primary Server |
| Secondary | DNS | 66.102.145.5 | udp/53 | Alternate Server |
| Tertiary | DNS | 12.127.17.72 | udp/53 | Offsite Server (at&t) |
| NOTE: 205.214.42.66, and 205.214.51.16 are OLD servers that we do not host anymore. Please use the new server settings. | ||||
Mail Server Settings
| Server | IANA Port | Host | Port | SSL/TLS | STARTTLS | Details |
|---|---|---|---|---|---|---|
| Incoming | POP3S | pop3.caltel.com | tcp/995 | required | optional | Authentication required with email address and password*** |
| Outgoing | Submission | smtp.caltel.com | tcp/587 | no | required | Authentication required with email address and password*** |
| Anti-Spam/Virus | HTTPS | iron.caltel.com | tcp/443 | no | no | Iron Port junk mail quarantine |
| Legacy Settings** | ||||||
| Incoming | POP3 | pop3.caltel.com | tcp/110 | no | optional | Authentication with email address and password |
| Outgoing | SMTP | smtp.caltel.com | tcp/25 | no | optional | CalTel IP |
Other Servers
| Server | Protocol | Host | Port | Details |
|---|---|---|---|---|
| Time Server | NTP | ntp.caltel.com | udp/123 | CalTel IP** |
| FTP Server | FTP | ftp.caltel.com | tcp/20,21 | Authentication with username and password |
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