FAQ
- How to set up email account on iPhone?
- How to login webmail?
- How to login to Email Manager?
- What is IMAP?
- If my Email Service Plan do not include SMTP server, how do I send the Email?
- What is SMTP server (port 25)?
- How can I change FTP password? (For Window Platform)
- How do I create my email account?
- Error Code: 0x800CCC0E, 0x800CCC0F, 0x8004210B or 0x80042108
- Why my Outlook Express keeps trying to send a message but the Outbox appears to be empty?
- What is a DNS Record?
- How to Set Up an Email Account in Outlook 2003?
- How to upload my website to server?
- How to get the login information of Email Manager ?
- Error Code: 0x800CCC6A
- What is Web Control Panel (WCP)?
- What is a Top Level Domain (TLD)?
- What is a Mailing List?
What is RBL?
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RBL is an abbreviation for Real-time Blackhole List. It
is also known as DNSBLs (DNS-based block lists or “blackhole”
lists).
It is a medium to prevent email spamming or email abuse.
Based on DNS protocol, RBL are lists of IP addresses which are intentionally or
are hijacked for spam activity.
Most of the email servers use the RBL of some well known
international anti-spam organizations, such as spamhaus, Sorbs, and spamcop,
etc.
They query the database of RBLs and block the emails
which the IP is listed.
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