The Function of SMTP Client


smtpThe function of SMTP mail client is to serve as a server/ client application to read mail directly from POP servers.
Sending and receiving mail with secure SSL encrypted server connections.
Scan, read, and send mail even over slow connections.
Ability to support multiple account profiles.
Anti-spam security features.
Built-in groupware functionalities.
Secure instant messaging.
Central address book repository.
Remote administration tool.


The function of SMTP client is the transferring of email messages between two servers using Internet Protocol Networks. Most email systems use SMTP in outgoing messages and an SMTP mail client uses POP3 or IMAP 4 for retrieval of emails. SMTP sends messages to mail servers from mail clients. This is why all servers, such as SMTP, POP or IMAP must be specified when email application are configured.

SMTP the acronym for Simple Mail Transfer Protocol is used when mail is delivered from an SMTP mail client, for example Outlook express. The following connection options can be used after creation of an SMTP client:

secureConnection -SSL
name -client server name
auth – object of authentication
ignore TLS – SRARTTL server support ignored
debug -consoling server messages and output clients
instanceld – the unique instance id used in debugging

Enable SMTP Authentication of Mail Client

Enabling SMTP authentication of mail client is usually something a user has to enable themselves and not available by default. Using Outlook 2003 or Outlook Express 6 You will open either the Accounts menu or the Email Accounts menu from where you select outgoing Servers Tabs and clicking on "Outgoing Server Requires Authentication." You will set your changes to correspond with the incoming mail server. Regardless of which SMTP authentication used, you must always select "Require Authentication", then select same settings as incoming mail server.

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