how to use your own internet outgoing mail server (smtp), as your provider doesn't allow you to use it

situation

Many providers doesn't allow you to send emails from your company's internet outgoing mail server (smtp), for instance: mail.mycompany.com. The provided reason by the provider is that if you use their connection for spam activities, even if using different outgoing server, provider's ip address will be marked as spam and will be banned in future from other internet servers. The only way is to use the smtp provided by your provider... and this the most easy solution.

problem

In case you use laptop and change several network places (aka providers), you cannot use the provider's smtp... but your company's smtp. So... how to get connected with smtp via your problematic provider???

solution

You must change the tcpip port connection with your smtp.
Of course this change must be done together on smtp and on your client. But some servers doesn't have this setting or even worst this change must be made to all clients that use this smtp server, that means to all employees of the company! forget it!

Take a deep breath... the easiest way to do this... is to turn the client to connect with smtp server with SSL connection. The SSL communicates in different port that is not blocked by your provider... so the steps are...

1. ask from your server administrator... the "outgoing smtp sll tcpip port". this number could be 465 or 567 or 587 or what ever

1.1 if you are the administrator :), see the cpanel (or what ever panel) help about how to configure the email clients. there you will find the port number that is already activate for the smtp ssl connection.

the follow instructions are for msoffice2007/2010, do accordingly on your client

2. file -> accounts settings -> select the email account you want to change -> press the "change" button -> more settings -> outgoing server

3. here, check the required authentication and if the username and password are diffferent from the incoming server, check you use them and type them

4. goto to "advanced" tab



5. here, as "outgoing SMTP" enter the port where administrator told you, 465 or what ever

6. also, as "encrypted connection" select "SSL"


7. now... the most complex part is here... on first email send process, the client will request certification from the server, and you have to accept it. Agree with the follow messages will appeared and the certification will be stored in your computer for the future outgoings.


These settings of outgoing connection, you may apply them in all of your problematic accounts.