You’ve probably seen both in bounced email messages. Error Codesīroadly speaking, there are two kinds of SMTP errors: permanent and temporary. However, because the server might log the session opened, the process isn’t wholly confidential. Note that the Email Checker doesn’t send any email to the address. If this succeeds, the Email Checker returns successfully with the information about the communication with the MTA. At this point, you’ll see a list of MTA records for the receiving domain name.Īssuming the Email Checker finds the MTA, it attempts to open an SMTP session with it. If the tool cannot find any MX records, it will use the domain’s A record (IPv4) to find the MTA. If the address is valid, the Email Checker proceeds to locate the Mail Transfer Agent (MTA) through the domain name’s mail exchanger (MX) record. So this would look something like this: If the email address you provide does not meet these syntactic requirements, the Email Checker will return an error.įor example, if you enter the Email Checker will return is not a valid email.” SMTP Check Mailbox/User name (letters, numbers, and printable characters).It must have the following three parts in the following order: The Email Checker uses a two-step process: Syntax Checkįirst, the Email Checker makes sure that the email address is syntactically valid. In its current form, it is one of the most heavily used of all internet standards. The original variant was based solely on ASCII text and includes few security features. SMTP is the basis of email and one of the oldest aspects of the internet. RFC 5321 builds on the original SMTP protocol (defined by RFC 821) by implementing some of the Extended SMTP standard ( RFC 1869). The Email Checker uses the SMTP protocol as defined in RFC 5321. If you aren’t getting email, you can figure out why using the Email Checker. You can also use the Email Checker to test your email address or SMTP server. (Many spammers will send to an enormous number of addresses with the hope that at least some will be valid - it is the email equivalent of guess-and-check.) Removing such email addresses from your mailing list will reduce the likelihood that you get blacklisted as a suspected spammer. You can run the email addresses you have through the Email Checker to see if they’re valid or not. If you’ve been maintaining an address book or mailing list for a long time, you probably have some old addresses. But this tool does allow you to identify invalid email addresses, which can cut down on wasted effort. Sometimes email addresses continue to exist but are never checked for any number of reasons. Available through an SMTP (email) server.Ī valid email address does not, however, mean that a human will receive it.The Email Checker will check to see if the provided email address works. Enter an email address in the text box, and click Go! When to Use the Email Checker
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