Question about Outlook Express

I'm using Windows Live Mail. I am trying to send an e-mail to our supplier, but when I do, the e-mail sits in the outbox. This happens when sent to the suppliers domain from any e-mail in our domain (so me and any of my coworkers all have the same issue). However, all other e-mails sent to anyone else, all go through just fine.

The domain we're trying to send to has been added to our whitelist. I double checked POP and SMTP settings, which seem fine (and should be, since all other e-mails will go out).

I have no idea what the problem could be. The supplier says that our domain has been added to their whitelist as well, but I can't verify this. Would that be an issue? Are there other things I could try on our end?

Any help would be greatly appreciated. Thanks!

I've used Windows Live Mail for years now, but lately have had problems with emails downloading that already have downloaded before. I've read online that a "bad" or corrupted email message may cause this; how do I find that email? Or is there some other way to fix this?

I partially solved this by going to Yahoo mail on the web and deleting old emails, but don't want to continue having to do this. BTW I am using POP3 for my email account. Only problem is with the Yahoo portion of my WLM account, Gmail and Outlook mail are ok.

On a W10 Home rig, experiencing years of the dreaded contacts freeze, so the original idea was to disable Facebook contacts from Outlook as described in this Exchange Online article.

The task eventually was to export the contacts DB to csv, edit them, and import them back in. The Facebook Social Networks won't return to the WLM contacts ribbon according to this Office 365 article which states:

The Windows Live Essentials Calendar and Contacts functionality will continue to work, but it will no longer receive birthday event or contact updates from Facebook for connected accounts. As a result, birthday events or contact information for the Facebook contacts may become outdated.

The link in the solution of that article, Add Facebook friends as contacts, goes nowhere, and the management of these on a home machine without office 365 doesn't look easy, however it appears they are not required any more.

Locating the above explanation from the pov of a WLM freeze wasn't obvious, as the Facebook contacts could never be edited directly in the WLM gui, even though they never showed up on Outlook People.

Hello

I have copied a couple of videos from an external hard drive to Onedrive, but the files sizes drop to less than 10 % of the original files. How can I change this on Windows 10 ?

Regards

Søren Bj