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Able to download messages, but cannot send

Some users are able to download their emails right away, and then have difficulties in sending messages. This page is intended to explain more about how tiggit mail sends messages, and to provide further assistance to those that are having problems sending messages.

If you are having difficulties sending messages, the first thing to check is that you have the latest version of tiggit mail. As a number of users have experienced difficulties it is an area where a number of improvements have been made recently.

A very common problem is that users have the wrong smtp server address and password configured, it is worth just checking this. Often users enter xxxx.blackberry.com when the correct address is xxxx.blackberry.net, for example. Also check the SMTP port number - by default tiggit mail will use port 587 which is the usual alternate SMTP port, but many service providers still use port 25 or other alternative ports.

The next thing you should check is that your mail server can support PLAIN authentication. tiggit mail currently only supports PLAIN authentication, although version 1.1 will support LOGIN and MD5 authentication types. If your server cannot support PLAIN then you can either address this with your email administrator or consider using an alternative SMTP server to send your mail (until version 1.1 is released).

Next step, try enabling singlePost (tunnel users should always have singlePost enabled). This sends your entire email message in a single transfer to the tiggit mail proxy, whch in turn connects to your SMTP server and takes care of managing the SMTP exchange for you.

If you have tried all of these steps and are stil unable to send mail despite being able to download mail, then please email tiggit@tiggit.com. Please include details of the steps you have already taken from this page and the results of each step.

Here is some information about connecting to SMTP servers and why it can be tricky to manage a connection from a BlackBerry to a SMTP server. Firstly BlackBerry installations typically involve one or more firewalls between the BlackBerry infrastructure and the internet. These firewalls will only allow certain traffic to pass, or will only allow very brief connections. Also the connection between the BlackBerry and the internet can be relatively 'high latency', meaning it can take several seconds for a message sent by the handheld to be delivered to its destination smtp server. When combined with a short time out that is typical for SMTP servers, the SMTP server will disconnect before the messages from the handheld can be received.

tiggit mail proxy

Using the tiggit email proxy can help with this. It works by sending the entire email message via https to our proxy server. The proxy then connects to your email server on a high performance connection across the internet and manages the SMTP exchange on behalf of the handheld. When the message has been sent the result is sent back to the handheld so that you can be told that a message has been sent. When using the mail proxy, your user name and password are used by the tiggit proxy, but they are encoded/secured on the handheld, and are not read by the proxy server.


BlackBerry is a registered trademark of Research In Motion Inc. This website is intended to provide guidance as to the general features and capabilities of tiggit mail. Users should take advantage of the free trial period to fully evaluate the software and confirm that it meets all requirements. Certain features mentioned on this website may not work on all models. The information on this website relates to version 1.1 of tiggit mail