New posts in smtp

NOQUEUE: reject: RCPT from on freebsd and postfix

Why is OS X able to send out email without first configuring SMTP?

SMTP: Is it possible to CC someone without sending the original?

Reject incoming emails that use your own domain as sender

Can't get SASL auxprop/sasldb working with postfix/Ubuntu 12.04

How can I use wildcards for sendmail TLS_Rcpt?

Security risk of POP before SMTP

What is the best method for sending email on behalf of my clients' domains?

Mail multipart/alternative vs multipart/mixed

Gratuitous CRLF in Subject: line - why is it there, and is it legal?

How to send email via Django?

What is the behavior difference between return-path, reply-to and from?

How to configure sendmail to send email via GMail (smtp.gmail.com), using port 465 or 587?

Send an email with an attached file using telnet or netcat

What's the point of repeating an email address in "The Envelope" and the "The Header"?

How to set the username and password for smtpd in Postfix?

What is preferable, "no-reply@" or "noreply@"? [closed]

problem with php mail 'From' header

Attach a file from MemoryStream to a MailMessage in C#