If you have a VPN (Virtual Private Network) connection configured or set up on your Windows 11 or Windows 10 computer, and you notice that you cannot send email when connected to the VPN, then this ...

Apple's Mail.app can suddenly and inexplicably fail to send e-mail through SMTP (outgoing) servers. A few relatively simple fixes for this issue are as follows: Delete outbox folder In some cases, the ...

One common scenario is that emails do not work in Outlook but on other devices, including smartphones. It could also work on a different PC but not on one of the PCs. These are a few ways you can be ...