Learn Icelandic: Í dag spora ég pakkann að heiman. - Today I track the package from home.

The suffix -an already means 'from' a certain direction. Words like heiman (from home), héðan (from here), and þaðan (from there) have this origin built-in. Even though heiman technically means 'from home' on its own, it is a fixed tradition in modern Icelandic to pair it with að, making the phrase að heiman. You do not use frá here because the -an ending already handles the 'from' meaning.

Why is the word for 'the package' written as pakkann instead of pakkinn?

The package is the direct object being tracked, so it must be in the accusative case. The base word is the masculine noun pakki. Its accusative form is pakka, and when you attach the definite article to mean 'the' package, it becomes pakkann.

Why does the subject ég come after the verb spora?

This is a classic example of the V2 (verb-second) rule. Because the sentence begins with the time expression Í dag (Today), the verb spora is forced into the second position. This pushes the subject ég immediately after the verb.

Is the verb spora used for things other than mail?