Possible Duplicates:
Put together several messages into one conversation in Gmail
Can I merge two conversation threads in Gmail?

My application sends out related emails with different subjects. It would be nice to group them all into the same conversation.

I tried setting the "In-Reply-To" and "References" E-mail headers but Gmail still keeps the messages separate.

Is there a way to force messages with different subject lines into the same conversation?

marked as duplicate by phwd Mar 29 '11 at 2:16

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migrated from stackoverflow.com Mar 12 '11 at 18:51

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