Note: The Chilkat SMTPQ Service is included as part of the Chilkat Email license.
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Chilkat SMTPQ is a Windows Service that watches a queue directory for email. The Chilkat Email component's SendQ method saves an email to the queue directory. The SMTPQ service then works as an SMTP client to connect to an SMTP server and send the email.
How it Works
SendQ method generates an email messages and deposits a .eml
file in the smtpQ's queue directory.
smtpQ service is immediately notified of the presence of a new
file and starts a new thread to load and send the email. You
can control the maximum number of threads that are started.
the send was successful, the email can be optionally saved to
a 'sent' directory. If the send was not successful, the email
and an XML error log are saved to an 'undeliverable' directory.
Install and Configuration
See SMTPQ x64 installation instructions
smtpQ service is multi-threaded and can be configured to run
as many concurrent threads for sending as desired.
- Specify the directories where emails are queued, saved, and
where errors are reported.
- Opt to delete emails after sending.
- Configure the service to auto-start when the computer
and uninstalling the service is easy.
smtpQ can send any kind of email, including signed and/or encrypted
emails, emails with attachments, HTML emails, etc.
smtpQ will run under the default System Account, but can
use the standard Windows Management snap-ins to configure the
service to run under any account. When sending signed or encrypted
email, attention should be paid to this especially if a certificate
is located in a current-user certificate store.
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