There are many delivery services - Return Path

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"Email service provider, ESP , a specialized company that carries out email marketing campaigns and offers positioning and consulting services.

The key is to have a sufficiently extensive level of training so that the choice of professional is based on the needs of your business.

Hard Bounce refers to an email message that did not reach its recipient due to a permanent error, such as a non-existent username or domain...

Please note that a high number of these types of bounces will negatively impact your reputation and deliverability. Avoid it.

Inbox deliverability rate - the proportion of emails that reach their intended recipients' inboxes, minus those that bounce, are lost, blocked, filtered as spam, etc.

Buying Lists / List purchase: Buying an email database not only involves an exchange of money, but also the transfer of a file to your complete ownership and you are authorized to do whatever you deem appropriate with its data.

Rental Lists : Although this method does not allow the change of ownership of the information contained in the list, it does allow payment for specific use according to the use of the data contained in the list of emails that will receive the message. It can be a very effective method if it is well focused and the information that users receive is of quality.

Open Rate : Number of emails opened compared to the total number sent. If you have a campaign with 100 addresses and 22 were opened, your rate would be 22%.

However, and although it may seem very simple, not all emails are opened with the same frequency and it is not an overly reliable data, since in no case does this information prove that the message has been read. Use this rate only when you are sure how your business is measured.

Permission -based email marketing ; Asking users for africa mobile number permission to send emails is the foundation of effective email marketing. You should know that, although the CAN-SPAM Act of 2003 does not specifically provide for it, it is a basic requirement for email service providers.

Soft bounce : Temporary errors that prevent an email from reaching its destination. Email providers generally resend messages after a certain period of time, which tends to increase the percentage of delivered messages.

Spam : We all know spam when we see it. Spam is typically unsolicited email, so remember that it is the consumer's decision whether an email is spam.

Spamtrap / honeypot : Email addresses that are generally used to catch spammers. Be careful with these addresses if they are in your database. Improve your practices and check the growth of your mailing list.

Whitelist : IP addresses and senders. If an Internet Service Provider (ISP) has a whitelist of IP addresses, it is more likely to accept incoming mail from that address.

If the translation into Spanish of the Anglo-Saxon terms causes any level of disagreement or precision, you are all invited to comment and debate it, the same if there is any term that has not been included… you are all welcome."