I am a US citizen currently in spain for work. I just changed my appleID password and now I can not receive text messages unless they go to my email and all my texts are sent from my email as well. I can not verify my account in imessage either.
You need to sign out of your Apple ID with the old password, then log back in using the new password. This is usually done in the iCloud settings.
Hi
After changing your Apple ID password, be sure to sign out of and back in to all associated services using your new password:
What to do after you change your Apple ID email address or password - Apple Support
Apple ID issue while abroad
