email

Verify email in Java

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Here is what I have around. To check that the address is a valid format, here is a regex that verifies that it’s nearly rfc2822 (it doesn’t catch some weird corner cases). I found it on the ‘net last year. private static final Pattern rfc2822 = Pattern.compile( “^[a-z0-9!#$%&’*+/=?^_`{|}~-]+(?:\\.[a-z0-9!#$%&’*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?$” ); if (!rfc2822.matcher(email).matches()) { throw new Exception(“Invalid … Read more

How to fix mandrill / mailchimp transactional email issue recipient-domain-mismatch

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There is two possible cause for this issue: – 1. You’re on a Trial plan (aka DEMO MODE) While in demo mode, you can only send to verified sending domains that you’ve added to the account. This restriction is lifted when blocks are purchased and the account is fully activated. – 2. Your DNS settings … Read more

What is the proper way to ACTUALLY SEND mail from (Python) code?

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Your understanding of how mail works is roughly correct. Some additional notes that may clear things up: SMTP is used for two distinct purposes. You seem to be confusing these two.: The first use, typically called “submission”, is to send a mail from an MUA (Mail User Agent, your mail program, Outlook, Thunderbird, …) to … Read more

How to attach file to an email with nodemailer

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Include in the var mailOption the key attachments, as follow: var mailOptions = { … attachments: [ { // utf-8 string as an attachment filename: ‘text1.txt’, content: ‘hello world!’ }, { // binary buffer as an attachment filename: ‘text2.txt’, content: new Buffer(‘hello world!’,’utf-8′) }, { // file on disk as an attachment filename: ‘text3.txt’, path: … Read more

How to send mail with To, CC and BCC?

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Email headers don’t matter to the SMTP server. Just add CC and BCC recipients to to_addrs when sending emails. For CC, add them to the CC header. toaddr=”[email protected]” cc = [‘[email protected]’,'[email protected]’] bcc = [‘[email protected]’] fromaddr=”[email protected]” message_subject = “disturbance in sector 7” message_text = “Three are dead in an attack in the sewers below sector 7.” … Read more

How do I validate email address formatting with the .NET Framework?

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Don’t bother with your own validation. .NET 4.0 has significantly improved validation via the MailAddress class. Just use MailAddress address = new MailAddress(input) and if it throws, it’s not valid. If there is any possible interpretation of your input as an RFC 2822 compliant email address spec, it will parse it as such. The regexes … Read more

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