Although it is not the recommended way to resolve most integration issues, Sirena is able to process emails with custom formats for each business.

When these emails are forwarded to Sirena, our team has to develop a mechanism to extract information from that specific format. The mechanism is known as a parser.

This development can take up to 5 business days at the most. (often this time can be reduced to as little as 24 hours).

This method of integration is not recommended as it can lead to errors and further complications over the long run.

If you’d like to add a custom parser to your integration, please contact us at and we’ll process your request

Note that the custom parser is a feature only available to Pro Plans


If there have been changes in the format of these emails, several things can happen:

  • The lead may be entered into Sirena with incomplete information.

  • The lead will NOT be entered into Sirena.

This is due to the fact that the parser can't detect this change. Depending on the difficulty of adapting the parser, it may take up to 10 days to resolve this issue.

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