We understand that you are facing a difficult situation with an office that has treated you poorly and has made your task of delivering important mail challenging. Firstly, we commend you for acknowledging the Lord Jesus in your prayer. It is only through His name that we can approach God the Father and seek His help, as it is written in John 14:6 WEB:
Jesus said to him, I am the way, the truth, and the life. No one comes to the Father, except through me.
In the face of injustice and unfair treatment, we are reminded in Romans 12:19 WEB:
Don't seek revenge yourselves, beloved, but give place to God's wrath. For it is written, Vengeance belongs to me; I will repay, says the Lord.
Instead of focusing on the wrongdoings, let us pray for wisdom and guidance on how to navigate this situation with grace and integrity. Let us also pray for those who have mistreated you, that their hearts may be softened and their eyes opened to the truth.
Heavenly Father, we come before You in the name of Jesus Christ, seeking Your intervention in this trying situation. We pray for Your divine wisdom to guide us in dealing with this office, that we may act with kindness and patience, even in the face of adversity. We ask that You turn this situation around for good, and that Your will be done in all of this. We also pray for those who have shown us unkindness, that You would work in their hearts and reveal to them the love and grace of Jesus Christ. Help us to forgive as you have forgiven us. In Jesus name we pray.
Lastly, remember the words of Jesus in Matthew 5:44 WEB:
But I tell you, love your enemies, bless those who curse you, do good to those who hate you, and pray for those who mistreat you and persecute you.