If you've landed on mailing.elcolombiano.com, you're probably looking at the login page for GetResponse, an email marketing platform. The domain is a subdomain of elcolombiano.com, a major Colombian newspaper, so the connection to a known brand gives it a layer of credibility. But because this is just a login portal, the page itself doesn't give you much information about who runs it or what their privacy policies are. That's not unusual for authentication pages, but it does mean you should rely on your trust in the parent company, El Colombiano, rather than this subdomain alone.
From a technical standpoint, the site is well-protected. It uses modern encryption, forces a secure connection, and has browser protections that prevent common attacks. No malware or blacklist issues were found. The lack of a web archive history suggests the subdomain is relatively new, but that's consistent with a recent migration to GetResponse.
So is mailing.elcolombiano.com safe? As long as you're sure you're on the correct subdomain for El Colombiano's marketing tools, it's fine. Always verify the URL before logging in, and if you have any doubts, go directly to the main newspaper site to find the link. This is a legitimate service, but like any login page, treat it with standard caution.