Messages rejected by an ISP due to the number of emails sent

Noé Soriano

Many customers have contacted us to know why in some occasions an user will get an email hours after it was sent. Outlook/Hotmail and other ISPs limit the number of messages that can be sent at a specific time period from a IP based on its reputation. Whenever an IP exceeds the limit of emails, […]

Advertising blocking systems which can affect your newsletters

Noé Soriano

The team of the Free email newsletter software detected that some systems installed to block advertising, such as banners and pop-up on the Internet may affect the display of your newsletters. This occurs especially when the sources of the images are being inserted through affiliate systems, such as TradeDoubler, TradeTracker or other systems. This practice […]

Checklist 7 key points to check the quality of a database

Noé Soriano

We always explain that you must generate your own database of subscribers. Preferably, by double opt-in, as this method is the most efficient in the generation of databases of quality. But sometimes this is not possible, you are not interested or just need to send your campaign as soon as possible. If for one reason […]