Contact

Talk to the person who builds it.

Every message is read and answered by the developer, usually within one working day.

Will it work with your mail provider, your list, the way you send? Ask.

Tell us what you were doing, what you expected and what happened. A screenshot helps.

Moving to a new PC when the old one has died, a lost key, or a change of owner.

Press F1 in the program for help on the screen you are on, or read the getting-started guide.