Emails Show As Sent In Sent Box But No One Has Received Them

[wireless]

I sent a number of emails over the weekend (April 20-22) from my hotel room using my telus account. They show as sent in my sent box on my computer (i use outlook), on webmail and on my phone but when I checked with the recipients, no one received them. They did receive emails I sent from my phone. Emails sending again normally now that I'm home.

It's a bit disturbing as there's no way to know that the emails did not reach their recipients other than waiting 2 days and wondering why no one has replied to any of them. Any idea why the emails would show as sent on all my devices but not actually get sent? Is this a telus server issue or a possible security issue?

Appreciate any thoughts. Thanks.




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