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I use AOL as service provider, but I receive the error message 'AOL has identified this mail to be unsolicited bulk email ' most the time.

AOL scans all mail sent via port 25. Use port 587 (message submission port) instead, to avoid this problem. Open the "SMTP server options" dialog in step "Profile" and set the port of your SMTP server to 587.

I receive an error message, after a certain number of messages are send. (e.g. "connection closed gracefully")

Some SMTP servers limit the number of messages sent per time interval. Please use the option "Processing with a time delay" in the "Sending Options" of "Profile" and reduce the number of emailssent per time interval. The optimal settings for this options can only bedetermined by experience and will differ for every provider.

Whenever SmartSerialMail tries to send messages, I receive an error message.

Please check your settings to allow sending via SMTP. If you have a firewall installed on your system, please make sure to add SmartSerialMail to the list of allowed applications in your firewall.

Sending out 6,000 emails using scheduled processing at quantity 35 every 2 minutes. After around 500 or so messages sent, we get an SMTP Server Error #10053. What is this and how do we resolve it?

Error#10053 means "A connection abort was caused internal to your host machine. The software caused a connection abort because there is no space on the socket 's queue and the socket cannot receive further connections." The SMTP server closed the connection.Some providers have a limit for sending mails within a certain time span. Some onlypermit 50 mails per hour,others onlypermit 500 mails within 24 hours/a day.
Please make sure that your provider does not have such a limit. It looks like there is a limit of 500 mails per day. Also check if you have an anti-virus software a firewall/internet security installed which may have a similar limit.

How do I import an HTML file so it will appear as the body of the email message? I tried attaching the file saved as an .html extension. But when I sent out the email, it appeared as an attachment, not in the body of the email message.

In the toolbar of"Content" you can find a button named "Open" which can open/import HTML-files to use them as boy of the mail.

I have the trial version installed and want to buy the full version. How can I keep the data that I already have entered?

All settings and data you entered in the trial version will be available in the full version.

The SMTP server I'm using (lyris mail engine) sends bounced email back a little different than most email packages. Is there a way to customize what constitutes a bounce and how it is formatted?

This depends on the bounced mail. If you sendus such a bounced mail intact as attachment we can have a closer look.