MailMum Glossar

Bounce Message or Report

A bounce report, also known as a bounce message or a non-delivery report (NDR), is an automated email message generated by an email server to inform the sender that their email was not delivered to the recipient’s inbox. Why an email can’t be delivered? When an email is sent, it is routed through various servers before reaching the intended recipient’s mailbox. If there is a problem with the delivery of the email at any point in this process, such as an incorrect email address, a full mailbox, a blacklisted server, or a blocked email domain, the email may “bounce” back to the sender.

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Email Service Provider (ESP)

An email service provider (ESP) is a third-party company that offers email hosting and management services, allowing users to send, receive, and manage emails. ESPs typically provide services by managing email servers and other related systems. Who can be an email service provider? An email service provider (ESP) can be any person, company or organization that provides email hosting and management services. This can include: Single person running an email server for him/her or a group of persons like family.

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Geofeed

Geofeed is a collection of IP networks accompanied by geolocation information that is typically distributed in CSV format via an http(s) link. These links are usually exchanged informally among trusted parties. What is the format of a Geofeed? Geofeeds are published using https URLs using CSV file format. It consists of four values per line: IP network in CIDR (Classless Inter-Domain Routing) format (e.g. 192.168.1.0/24) Country (optional): defined using a 2-letter ISO 3166-1 country code (e.

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Internet Service Provider (ISP)

An Internet Service Provider (ISP) is a company that provides internet access to customers. It does this by providing a connection to the internet via a network of servers, which allows users to access the web, send emails, and use other internet services. ISPs can be large, national companies or smaller, local providers. Do ISPs provide email services? Some Internet Service Providers (ISPs) do offer email services to their customers as part of their internet package.

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IP Blacklisting

IP Blacklisting IP blacklisting is a technique used by internet service providers (ISPs) and email providers to block or filter incoming messages from IP addresses that have been identified as sources of spam or other malicious activity. By blocking or filtering messages from these IP addresses, ISPs and email providers can help protect their users from spam and other unwanted email. IP Blacklisting on local systems IP blacklisting can be applied using configuration files in several different ways, depending on the specific needs of the organization and the type of system that is being used.

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