These sentences are not just salutations. They are prayers to God to give grace, peace, love, and mercy to the saints from God the Father and the Lord Jesus Christ. This is a real happening.
Here are several prayers of salvation:
Yet to all who did receive him, to those who believed in his name, he gave the right to become children of God. (John 1:12)
For God so loved the world that he gave his one and only Son, that whoever believes in him shall not perish but have eternal life. (John 3:16)
Very truly I tell you, whoever hears my word and believes him who sent me has eternal life and will not be judged but has crossed over from death to life. (John 5:24)
Then Jesus declared, “I am the bread of life. Whoever comes to me will never go hungry, and whoever believes in me will never be thirsty… For my Father’s will is that everyone who looks to the Son and believes in him shall have eternal life, and I will raise the…