RNF Technologies Interview Questions and Answers

The protocol used for mail ID configuration in PC/Mobile devices is the Internet Message Access Protocol (IMAP).

• IMAP is a standard protocol used for accessing and managing email messages on a mail server.

• It allows users to access their email from multiple devices while keeping the messages synchronized.

• IMAP supports both online and offline modes, allowing users to access and manage their emails even without an active internet connection.

• Common troubleshooting queries related ...read more

The route cause for rectification when mail is not sent from Outlook application.

• Check if there is an issue with the internet connection.

• Verify if the email account settings are correct.

• Ensure that the email server is functioning properly.

• Check if there are any restrictions or limitations set by the email service provider.

• Verify if the email is not being blocked by antivirus or firewall software.

• Ensure that the email is not stuck in the Outbox folder.

• Check if there are any is...read more

The route cause for mail not reaching the recipient can be due to various factors such as incorrect email address, server issues, network problems, or spam filters.

• Incorrect email address: Double-check if the recipient's email address is entered correctly.

• Server issues: Check if the sender's email server or the recipient's email server is experiencing any technical problems.

• Network problems: Verify if there are any network issues that could be preventing the mail from being d...read more

DNS is a system that translates domain names to IP addresses. Outlook configuration can have various troubleshooting steps.

• DNS translates domain names to IP addresses

• Outlook configuration troubleshooting includes checking server settings, account credentials, and network connectivity

• Common DNS issues include incorrect DNS settings, DNS server downtime, and DNS cache poisoning

MX, DMARC, SPF, and DKIM are email authentication protocols used to prevent email spoofing and phishing attacks.

• MX (Mail Exchange) records specify the mail servers responsible for receiving email on behalf of a domain.

• DMARC (Domain-based Message Authentication, Reporting, and Conformance) is a policy that helps prevent email spoofing.

• SPF (Sender Policy Framework) validates that an email message comes from an authorized server for the sending domain.

• DKIM (DomainKeys Identified...read more

DNS (Domain Name System) is a system that translates domain names to IP addresses.

• DNS servers store a database of domain names and their corresponding IP addresses.

• When a user types a domain name in a web browser, the DNS server is queried to find the corresponding IP address.

• DNS uses a hierarchical system of servers to efficiently resolve domain names to IP addresses.

• DNS records include A records (IPv4 addresses), AAAA records (IPv6 addresses), MX records (mail servers), and...read more

Email is sent through a series of steps involving SMTP servers, DNS records, and email clients.

• Email is composed and sent from an email client (e.g. Gmail, Outlook)

• The email client connects to an SMTP server to send the email

• The SMTP server communicates with the recipient's SMTP server via DNS records

• The recipient's SMTP server receives the email and stores it in the recipient's inbox