Top "Smtp" questions

Simple Mail Transfer Protocol (SMTP) is an Internet standard for electronic mail (e-mail) transmission across Internet Protocol (IP) networks.

Sending email using Gmail gives a time out error

We are testing some code to send email messages using Gmail from a form, but get a time out error. …

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vb.net email smtp timeoutexception
Why does email need an envelope, and what does the "envelope" mean?

What is the exact difference between the envelope and the email in smtp? Why does the protocol need the envelope? …

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security email smtp rfc822
System.Net.Mail.SmtpException: Service not available, closing transmission channel. The server response was: 4.4.2

I get this error when I'm frequently sending some e-mail to a list of users. Say it sends 10 mails and 1 …

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smtp timeout channel transmission
SMTP AUTH extension not supported by server in python 2.4

This is my normal code in my VPS hosting which provide python 2.4 def mail(receiver,Message): import smtplib try: s=…

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python linux smtp vps python-2.4
Python Not Sending Email To Multiple Addresses

I can't see where i'm going wrong with this, I hope someone can spot the problem. I'd like to send …

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python email smtp gmail smtplib
SMTP error: "Recipient addressed refused" when trying to send an email using python and postfix

I'm getting this error: raise SMTPRecipientsRefused(senderrs) smtplib.SMTPRecipientsRefused: {'[email protected]': (550, '5.1.1 : Recipient address rejected: hotmail.com')} when trying …

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python smtp postfix-mta
postfix: send a copy of every email to a given email address

I have a postfix email server and there is an issue I want to debug. How can I configure it …

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email smtp postfix-mta
Sending mail with devise and Gmail smtp server

I am using Devise :confirmable and :recoverable module to confirm a user and to let him recover his password if …

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ruby-on-rails smtp localhost devise actionmailer
Raspberry PI - Send mail from command line using GMAIL smtp server

How can I send email from Raspberry Pi using my gmail account? I would like to send mail from command …

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command-line smtp gmail sendmail raspberry-pi3
Mac OS X 10.10 Yosemite Postfix SASL authentication failed

I followed the step described in the link below to setup my mac to send out email. http://www.anujgakhar.…

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email smtp postfix-mta osx-yosemite sasl