Handling various scenarios where an email recipient is not available

A computer system for generating reports, the computer system comprising:

• one or more processors, one or more computer-readable memories, one or more computer-readable tangible storage medium, and program instructions stored on at least one of the one or more tangible storage medium for execution by at least one of the one or more processors via at least one of the one or more memories, wherein the computer system is capable of performing a method comprising:
• identifying a recipient inbox within a recipient mail server using a plurality of directory information associated with an electronic message, wherein the plurality of directory information is stored on an SMTP server associated with an online communication system, and also includes a plurality of alternate contact information for a recipient;
• prior to attempting a transmission of the electronic message to the recipient mail server from the SMTP server, determining the identified recipient inbox satisfies at least one of a plurality of alternate contact criteria;
• generating an SMTP response, after transmission and receipt of the electronic message in the SMTP server, that includes the plurality of alternate contact information for the recipient stored within the plurality of directory information on the server rather than transmitting the received electronic message to the identified recipient inbox or an alternate recipient;
• and
• transmitting the SMTP response to the sender through a sender mail server based on the plurality of determined alternate contact criteria being satisfied.