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App YoCuba

App YoCuba

The App YoCuba is a system of accommodation bookings in Cuba. The App allows you to search available apartments by filtering by date and features.

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Professional SMTP Server
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App YoCuba

SMTP Studio

Professional and unlimited email service for sending newsletters.

Thanks to our server you will avoid all those limitations that other mail providers such as Gmail, Yahoo, etc., Such as: sending limit daily; long lead times for shipping; spam filters; no security of message delivery; etc.

The constant maintenance of our servers and cleanliness of our IP addresses from the black list, make this excellent service.

Is a universal service which can be used with any mail program, such as Microsoft Outlook; Windows Mail; Mozilla Thunderbird; Mailing List Studio; Eudora; kmail; Mac Mail; Opera Mail; etc. It is compatible with any operating system and can be used with any connection and with any ISP.

Who we are

That's who we are and what we do.

Our clients

Have a look to our customers around the world.


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newletter is the best software for sending newsletter. It allows you to create and easily manage your email marketing campaigns.


Thanks to newletter will have everything you need in a single product, no subscriptions and monthly costs. Your data will remain safe inside your computer, without having necessarily to load data over the Internet.





You can manage your newletter , create professional messages, send newsletters and analyze the results due to advanced statistics.


The new version of newletter 4 is available as a freeware version and a Professional version, with no fees or monthly subscriptions, with a one-time payment and unlimited perpetual license.



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