A friend sends me a few emails a day from her Gmail account and most - not all - go into junk no matter how many times I have taken the address off the SPAM designation and moved it to the inbox.
They do not go into junk folder in another email app.
Ver. 9.2.2157 (5b49542)
I checked my provider (EarthLink) and they are not designating these emails as SPAM.
Normally, it is your server, so you will need to login to their webmail interface, select the message in spam, and mark it as not spam. Some providers have an option to whitelist senders so check on that also. Thereafter the server should always leave messages from that sender in the Inbox.
But it can also be caused by eM Client moving the messages if you have previously blacklisted the sender or their domain. If that is the case, go to Menu > Settings > Mail > Privacy > Blacklist > Manage Blacklist. See if the sender’s address or domain is in the list and remove it.