Messages like “ System Help Reply” guide users to the help center in case they have questions about SMTP servers. deals with connection issues, letting senders know that transmission is the root of the issue. In “ Timeout connection problem”, users get an alert that, due to security or hardware issues, the recipient’s server cannot be accessed. In most cases, the error auto-resolves if you try running the command again later.
and both mark unspecified errors. Yes, it is croatia telegram database frustrating that we don’t have more hints on common errors like , , or — so the least senders can do is get by with the hints of the text message and the meaning behind the remaining two digits. If you see a as the second digit of the reply code, it means that the mail system is responsible for the error. The most common example of an xx code is “ Requested actions not taken.
Inbox unavailable” which means that there’s no email address that matches the email you entered in “To”. Third digit? We have no clue yet In the documentation issued by RFC, there are no specifications as to what the third digits in the code are referring to. All we know is that they give advanced software information, contributing to more detailed readings. The third digit in an SMTP reply code is called the implementor and ranges from to Troubleshooting most common SMTP reply codes Now that you know how to read the numeral part of SMTP reply codes, it’s time to decipher text messages that, at times, are just as cryptic and discover what is the best way to react to common error messages.