what is 220 error code in ms outlook ?

service is running in Outlook

SMTP Status 220 : This is normally the first message youwill get back from the server. It means the mail service isrunning (ie. your mail server is running). It will normally contain a welcome message and/or the title of the SMTP software and, sometimes, the version number of the mail


server software. SMTP Reply 220 is effectively a “Hi There, I have just this second finished starting up – I am ready to go and at your command” informational message.
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