Postmaster collected money with the help of her employees which is more than half(7p pesos) and then posted the letter in the name of God because he didn't wanted to broke the belief of the lencho.

The postmaster in the English first flight story "A Letter to God" took several actions after receiving a letter intended for God from a poor farmer.

Receiving the Letter
The postmaster was surprised when the farmer, Lencho, handed him an envelope addressed to God. Initially, the postmaster considered returning the letter to the sender, but he decided to open it out of curiosity.

Reading the Letter
After reading the letter, the postmaster realised that Lencho was a poor farmer who needed help. The letter requested God to send him 100 pesos to help him recover from the damages caused by a sudden hailstorm.

Responding to the Letter
The postmaster was moved by the sincerity of Lencho's letter and wanted to help him. However, he knew he couldn't help Lencho with the amount he needed. The postmaster, therefore, decided to respond to the letter by writing a letter to Lencho, pretending to be God, and sending him fifty pesos.

Receiving Lencho's Response
Lencho was thankful for the fifty pesos he received and replied to "God's" letter by requesting more money. Lencho believed that God had not sent him the full amount he requested, and the remaining amount must have been taken by the post office workers. The postmaster found Lencho's response amusing and showed it to his fellow workers.

Conclusion
The postmaster in the English first flight story "A Letter to God" showed compassion and empathy towards a poor farmer who needed help. He went beyond his duties as a postmaster to respond to Lencho's letter and provide him with some assistance.