sending email and te messages checking and replying to email is huge time sink of courseyou can' just write program to handle all your email for yousince each message requires its own response but you can still automate plenty of email-related tasks once you know how to write programs that can send and receive email for examplemaybe you have spreadsheet full of customer records and want to send each customer different form letter depending on their age and location details commercial software might not be able to do this for youfortunatelyyou can write your own program to send these emailssaving yourself lot of time copying and pasting form emails you can also write programs to send emails and sms texts to notify you of things even while you're away from your computer if you're automating task that takes couple of hours to doyou don' want to go back to your computer every few minutes to check on the program' status insteadthe program can just text your phone when it' done--freeing you to focus on more important things while you're away from your computer