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Send emails using Raspberry Pi:
Send emails using Raspberry Pi and Python Code- In this article you will learn how to send emails using Raspberry Pi and Python programming. After reading this article you will be able to send emails and you will also be able to send images taken with Raspberry Pi camera in an email. The Raspberry Pi code can be easily modified so this way you can also send sensors data in an email to a remote user. You can make amazing monitoring systems, Security Systems etc.
Sending e-mails in a Python program is not difficult in itself, but requires that various modules interact. The task for the first example is to send an email with both the subject and the message text also contain non-ASCII characters. For the real e-mail transport you must have access to an SMTP server. The abbreviation SMTP stands for Simple Mail Transfer Protocol. This is the usual protocol for sending of emails.
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In the Python program, you must first write the actual email in a MIMEText Assemble object. It consists of a sender, one or more Recipients, the subject and the actual text. To send it, you create an SMTP object, with the Transfer the host name of the SMTP server. The starttls method initiates the encrypted Establishing a connection, which is now common with almost all SMTP servers. Then login carries out the authentication. sendmail finally sends the e-mail.
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#! / usr / bin / python3 # Sendmail -text file - only .py import smtplib, sys from email. mime. text import MIMEText from email. header import header frm = 'Sender <sender @ myhost .com>' to = 'recipient <. anyone @ gmail .com> ' subj = 'subject with äöüß' msg = 'Message text with outer. \ nSecond line. \ nThird line.' try: mime = MIMEText (msg, 'plain', 'utf -8') mime ['From'] = frm mime ['To'] = to mime ['Subject'] = Header (subj, 'utf -8') smtp = smtplib. SMTP ("myhost. Com") smtp. starttls () smtp. login ("login name", "top secret") smtp. sendmail (frm, [to], mime. as_string ()) smtp. quit () except: print ("An error occurred while sending the e-mail:", sys. exc_info ()) |
Send an email with a bitmap
If you also want to send a picture with the email, that will Putting together the e-mail object a little more laborious: starting point is now a MIMEMultipart object that you can specify the sender, recipient, subject as well add the message text as MIMEText. You read the image file to be embedded first in a MIMEImage object and then add this object to the MIMEMultipart Object. Repeat this procedure if you have multiple images at once want to transfer.
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#! / usr / bin / python3 # Sendmail .py file import smtplib from email. header import header from email. mime. image import MIMEImage from email. mime. multipart import MIMEMultipart from email. mime. text import MIMEText frm = 'Name <sender @ myhost .com>' to = 'Another name <. anyone @ gmail .com> ' subj = 'subject' msg = 'message text' fn = 'tmp. jpg '# include this bitmap file try: # Compose email mime = MIMEMultipart () mime ['From'] = frm mime ['To'] = to mime ['Subject'] = Header (subj, 'utf -8') mime. attach (MIMEText (txt, 'plain', 'utf -8')) # Add a picture f = open (fn, 'rb') img = MIMEImage (f. read ()) close () mime. attach (img) # to ship smtp = smtplib. SMTP ("...") except: print ("An error occurred while sending the e-mail:", sys. exc_info ()) |
Send a recording of the Raspberry Pi camera
With this basic knowledge, it is no longer a problem to write a Python script program that first creates a recording with the Raspberry Pi camera and the photo is then sent via email.
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#! / usr / bin / python3 # Sendmail file - photo .py import picamera, smtplib, sys from email. header import header from email. mime. image import MIMEImage from email. mime. multipart import MIMEMultipart from email. mime. text import MIMEText frm = 'Name <sender @ myhost .com>' to = 'Another name <. anyone @ gmail .com> ' subj = 'photo' msg = 'message text' fn = 'photo. jpg ' try: # Create photo camera = picamera. PiCamera () camera. capture (fn, resize = (640, 480)) camera. close () # Compose email mime = MIMEMultipart () mime ['From'] = frm mime ['To'] = to mime ['Subject'] = Header (subj, 'utf -8') mime. attach (MIMEText (txt, 'plain', 'utf -8')) # Add a picture f = open (fn, 'rb') img = MIMEImage (f. read ()) close () mime. attach (img) # to ship smtp = smtplib. SMTP ("...") except: print ("An error occurred while sending the e-mail:", sys. exc_info ()) |