Usually, an e-mail client such as Microsoft Outlook will receive messages via IMAP4 and send messages via SMTP. I am unaware of many mail servers that automatically save mail sent through them via SMTP in the server-based Sent folder besides Gmail/Google Apps. Typically though, once an IMAP4 connection (as opposed to POP3) to the mail … Read more
SMTP server – I’ve used Simple SMTP in conjunction with mailparser. IMHO, these are the best tools on the Internet for building SMTP servers in Node.js. UPDATE: Simple SMTP has been deprecated. Use SMTP server instead (the successor of the Simple SMTP module).
Get to your Gmail account’s security settings and set permissions for “Less secure apps” to Enabled. Worked for me.
Using Linux or OSx, do what Sorin recommended but use port 465 instead. 25 is the generic SMTP port, but not what GMail uses. Also, I don’t believe you want to use -starttls smtp openssl s_client -connect smtp.gmail.com:465 You should get lots of information on the SSL session and the response: 220 mx.google.com … Type … Read more
You can’t, because as soon as you start using TLS, the conversation becomes encrypted, and you probably don’t speak that language 😉 Here is what you can do instead: openssl s_client -debug -starttls smtp -crlf -connect localhost:25 OpenSSL will do the STARTTLS handshake for you and you will be able to pick up the conversation … Read more
this really is a question for Serverfault. Windows: Open up a command prompt (CMD.exe) Type nslookup and hit enter Type set type=MX and hit enter Type the domain name and hit enter, for example: google.com The results will be a list of host names that are set up for SMTP Linux: Open a command prompt … Read more
Create a custom app in you Gmail security settings. Log-in into Gmail with your account Navigate to https://security.google.com/settings/security/apppasswords In ‘select app’ choose ‘custom’, give it an arbitrary name and press generate It will give you 16 chars token. Use the token as password in combination with your full Gmail account and two factor authentication will … Read more
I know this is an older issue, but I recently had the same problem and was having issues resolving it, despite attempting the DisplayUnlockCaptcha fix. This is how I got it alive. Head over to Account Security Settings (https://www.google.com/settings/security/lesssecureapps) and enable “Access for less secure apps”, this allows you to use the google smtp for … Read more