poor door greetings

It makes sense to me.  Done consistently, he'll stop being rewarded and the behavior should disappear.  Calm greetings=petting and praise. 

 Don't even give the opportunity to jump. When someone rings the bell, take the dog to another room, go answer the door, then bring dog out if calm. If thats not gonna work make him drag a leash so you can stop him from jumping. Everytime you let him jump its just reinforcing the bad behavior.

Sounds like an ok plan to me, but I'd actually do sort of what Tiffy suggested. I'd teach him to do something incompatible with jumping on people.  Teach him to do something that makes it impossible to jump at the same time. Sitting, going to a mat or his crate, or you could teach him to do something really cute like sitting and waving at your guests. You can set this up with different members of your household entering so that you have plenty of practice opportunities. If you don't have time to practice, just send him out anyway so he doesn't get to practice jumping. Once he sits during your practice sessions with members of your household, and if you have tolerant friends, then if he doesn't when a real guest comes, send him to time out.

I'd also suggest that in the early stages, you practice with people who like dogs. When you are just teaching, you want to make sure he gets attention for his good behavior. Later on, you want to practice with people who don't want to say hi to him, but early on, make sure they want to say hi. Later on, you can work on the disappointment of people who don't want to say hi. 

I prefer to crae or otherwise close the dog away from the stimulus BEFORE s/he gets  chance to fail.  This way they are being set up for sucess, not failure.

I think you have to be careful with shutting the dog away. I tried it with Erik a couple of times and he started redirecting on Kivi. I was going to bring Kivi with me so Erik couldn't use him as a punching bag, but it doesn't help Erik at all, who is still too aroused to learn anything and that level of frustration must be extremely aversive, I think. So now when the doorbell rings Erik comes to the door with me and is asked to sit or down. I just have to remember to grab a handful of treats and/or a leash when we go. Some of the delivery people are a bit scared of Erik and it's unfair on them to include them in Erik's training.

corvus

bit scared of Erik and it's unfair on them to include them in Erik's training.

Who could be scared of that cute boy?

I will try that. 

I have a gate that seperates the kitchen from the rest of the house.  What he'll probably do is stand up on the gate and whimper and bark.  Once he stops that and calms down then I'll let him out. 

 I like to set dogs up for success.  So, prep your guests, too.  Tell them that if your dog does jump up they should not react, just turn away and don't pay him any mind.  When his feet are back on the floor, they can quietly greet him.  If he jumps again, repeat the "cold shoulder" routine. 

You can also teach your dog to go to his mat when the door bell rings;-)  I think Paul Owen still has a video of that that you can get very cheaply on Amazon video on demand.

I've tried putting Hap into a different area and then letting him out after a while...he just goes crazy once he's back in. =(. I'm going to try the mat next I guess.