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I use Microsoft Outlook as my email client. I can alway receive emails from home or when connected to a different network, but I can only send when connected to the internet from home. If I try to send an email from a public network, or any one that is not my home network, then the emails are not sent but will be sent immediately when I am in range of the home wifi.
From reading I understand that POP3 email servers store received emails, so it seems that I am able to access data from these servers no matter what network I am connected to. But when I send an email, it is sent to an SMTP email server, so it seems that I can only access the SMTP server when I am at home.
So, I am thinking that this is either an authentication issue with the SMTP server, or Outlook is being helpful, by blocking my outgoing emails when connected to an untrusted network.
Settings
- In Outlook, User Information, Server Information and Logon Information is all filled in.
- Logon using Secure Password Authentication is not checked
- In the Outgoing Server tab of the Internet Email Settings, the my outgoing server (SMTP) requires authentication is checked and the radio button for use same settings as my incoming server is selected.
Does anyone think that I may need to select the Logon using username and password in the Outgoing Server tab of Internet Email Settings?
Or is this likely to be an issue with the SMTP email server (perhaps that it only accepts emails from a whitelist of IP addresses)?
Is there anyway I might be able to test this without going out of range of my home network?
Sorry for this being so long. Thanks in advance for your help.
What ISP are you using? They generally have setup instructions that describe any available authentication, proper port setup, etc. – Alan Shutko – 2012-10-22T20:03:40.203