Troubleshoot: Send Problems

Arclab® MailList Controller

This page contains information about how to solve problems with outgoing mailings.


 Send a test message to a non-local recipient ...

"Non-local" means the email address is not hosted by the same provider or mail server.
Open the internal editor, click on "Test Email", enter your email address (in To) and send a test email.


Send Test Email


 If you cannot send a test message ...


Verify SMTP server, username and password

Please check your "List Settings" -> "Outgoing Mail Server (SMTP)". Verify "SMTP Server", "User" and "Password".
(You will get this information from your mail provider or mail administrator)


Change the SMTP authentication

Please try to use a different authentication method if you are sure, that the mail account data is valid.

Open the "List Settings" and go to "Outgoing Mail Server (SMTP)" -> "Authentication":
try "SSL" and "StartTLS" if "SMTP Standard" does not work. Some older server still use "POP before SMTP".
MailList Controller supports all SMTP authentication methods and works with any server.


SMTP Authentication



 If you can send a test message ...

Please check the task (mailing) in the sections "Outgoing Messages" and "Sent Messages".
Click on "Log File" at the lower right corner of the program to open the log file.


There are 4 possible reasons:



The logfile shows "Error: Could not ... Failed to connect to SMTP server"

The difference between the test message and the list message is, that the test message will be sent by the editor (amlceditor.exe) and the list message will be sent by the mail service (amlcsvc.exe).

Some anti-virus or firewall programs block all outgoing messages sent by any program that they do not recognize. To solve this problem you need to tell the software that amlcsvc.exe (MailList Controller mail service) is a 'trusted' program for sending emails. Don't forget to turn the anti-virus/firewall back on, if you want to disable it for a short test. . If it works now, then you should adjust the anti-virus/firewall to allow the mail service (amlcsvc.exe) to send email messages or use a different anti-virus/firewall.

Most anti-virus/firewall products will NOT block the program, e.g. MS Windows Firewall (included in MS Windows 7 and 8) and Microsoft Security Essentials (MSE) are not blocking MailList Controller.  Please contact us if you have discovered any new software, which is blocking MailList Controller by default.