What are the system properties used for sending email?

By Wayan in Mail 0 Comment

Here are a list of system properties that can be used to send an e-mail using the JavaMail API.

Property Default Value Description
mail.host Define the host name of the mail server.
mail.smtp.host Define the host name of the SMTP server; this will overrides the mail.host for SMTP connections only.
mail._protocol_.host Define the host name of the specified protocol (POP, IMAP); this will overrides the mail.host.
mail.user Define the default username sent to all mail servers.
mail._protocol_.user Define the default username for the specified protocol; this will overrides the mail.user for the specified protocol.
mail.smtp.port 25 Define the SMTP port on which the SMTP server is listening.
mail._protocol_.port Default port for the corresponding protocol Define the port on which the servers for the specified protocol is listening.
mail.smtp.starttls.enable Upgrade the regular SMTP connection on the usual port to an encrypted (TLS or SSL) connection.
mail.smtp.connectiontimeout Infinite Define the number of milliseconds to wait for a connection timeout.
mail.debug false Define parameter for disabling or enabling information debugging.
mail.from Define the e-mail address to use in the From header.
mail.mime.charset file.encoding Define the default character set used to send messages.
mail.alternates Define other email address for the current that will not to be included when replying to a message.
mail._protocol_.class Define the fully package qualified class name of the provider for the specified protocol.
mail.transport.protocol First transport provider in the configuration file Define default protocol with which to send messages.
mail.transport.protocol.address-type Define the message transport protocol such as SMTP for the specified address type, for example mail.transport.protocol.rfc822.
mail.replayallcc false Put all recipients in the CC list of the reply message instead of the TO field when replying to all.
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