Top "Return-path" questions

How to set a custom header using phpmailer

I am using phpmailer for sending emails, but I want to make a custom header for my company, by adding …

email header phpmailer return-path
Better Java method Syntax? Return early or late?

Duplicate: Should a function have only one return statement? Often times you might have a method that checks numerous conditions …

java coding-style return-path
Is there a way to change the default return path with sendmail?

I know that I can use the -f switch to set the return path with sendmail, I am wondering if …

sendmail return-path