About the fail of CANTV outgouing email
Apparently it is becoming more common to hear of a friend or relative, the claim because we have not answered an email sent to us, or learn that ours were never sent to you first.
I wanted to share this information and learn opinions about something that recently found in an email received. I hope this will be useful for diagnosing problems sending mail through Cantv. And for reasons of reliability and privacy, how to use an external SMTP (eg. On your web hosting package), or via dedicated SMTP services. You Can review our solution:Alternative SMTP Service
Recently CANTV’s outgoing server seems to be getting slower for sending outgoing messages, and often must try several times before the message finally be accepted for delivery. Now recently added another even more serious problem: the messages are coming in appearance, but the recipient never receives your incoming mail box, and yet the server rejects the connection from sending mail indicating that our server is not authorized. And speaking of boxes incoming (POP3), the logical recommendation for anyone who appreciates having a degree of certainty as to the privacy of your incoming messages: it would seek an alternative external mail box different from CANTV.
But back to the case of outgoing messages. CANTV apparently to seek a "solution" to the problem of congestion of your outgoing mail server (SMTP) known as "mail.cantv.net", or the frequency of having to enter their IP blocks blacklists. The obvious solution would try to send messages via other than the server Cantv, but for which we connect to the Internet with them, apparently there is no alternative, because for technical reasons the connection between our program email on the PC and the outgoing server is restricted to efectuarce through port 25 on that server. Basically when you send an email, this is transferred to an outgoing mail server (SMTP) on port 25, then the server forwards to the Internet through which eventually reach the incoming mail server (POP3) of the recipient, and will be lowered to your PC when the user check their email.
The problem is that CANTV is blocking port 25 for any non-local connection with their mail servers. This really is a practice that is nothing out of the ordinary, since it is widely used by other Internet service providers (ISP) worldwide in order to minimize the possibility of forwarding mass mailings (spam) and other similar abuses. But obviously in our case certainly take advantage of this restriction for other things as well, forcing the user to send SMTP mail only by them, and not being able to access any other external SMTP server on port 25.
Still there are two alternatives, one is to use only a webmail interface such as Hotmail, Yahoo, MSM, GMail, etc, where surely our Web Hosting provider will also have use for your application. The disadvantage is that it is a bit tedious for those who prefer to use an email program installed on your PC as basically no emails may be stored locally as well as in some degree loss of flexibility and some features in email management, and besides you have to connect to the webmail portal each time you send or receive new messages, or even to re-read previous messages. However, taking into account that the connection to the webmail portal is usually effected through a secure server, this allows the information that is transferred between the PC and the portal is completely proteguida of possible interception from our local Internet provider or from any other point along the route. This of course only applies when the portal web page has an address that begins with "https:" instead of the traditional "http" of public web pages.
The other solution is to use an outgoing server (SMTP) different from CANTV external and accept encrypted connections (SSL) for alternative ports other than the traditional port 25 already has blocked CANTV, except to access their own servers. Some email programs like Outlook and Eudora Pro are able to use these alternative ports, which is usually very difficult to also be blocked. It is not readily available or have access to external SMTP, which also has the ability to accept connections than the traditional alternative ports 25.
There are several possibilities for external SMTP service. Usually in the hosting packages that include web pages box features (POP3) and are usually also included access to an SMTP server. You must try configuring the email program to determine whether it is possible to access the SMTP server on an alternate port other than 25. .
It should be noted that in many cases when our web hosting providers give access to an SMTP server as part of the mail features usually only allow access through port 25, however it is always worth contacting the administrator system and ask if there are possibilities of an alternate port to enable access to the SMTP server, since in some cases will be willing to grant this privilege, especially when you are properly explained as the reason for this request. Surely this is conceptualized as an additional service, so you may incur a cost that surely you would be willing to pay to send their mail and continue to do business.
On the other hand, if your hosting package does not include an SMTP server, or no website with accommodation under self-control, alternative option very accessible and inexpensive (approx $ 90 per year) for an SMTP server with access through alternative ports, or a little more price for a professional package.
By the way, to use this service you must already have a domain name registered, or if you’re not, you can register a new one with only the options "basic" with Ravatech for $ 25 annually. There are other places to register domains for less, but in my opinion and detract from service quality and customer service. Then to apply the SMTP service.
It is increasingly common to hear of a friend or relative, the claim because we have not answered an email sent to us, or learn that ours were never sent to you first. Do not let it continue happening, contact us and ask how we can help.