In short: Posts shows each account’s result. Open a failed post to read the reason, fix it (often a login to reconnect or a file to change), then select Retry failed: PostMesh sends again only to the accounts that failed.
What happens to a post
A post from draft to result · retry sends only what failed
Retry
1
Open the post in Posts
Failed accounts show their reason.
2
Fix the cause
Reconnect the account, change the file or shorten the caption.
3
Select Retry failed
PostMesh sends again only to the accounts that failed. Accounts that already succeeded are skipped.
When a network refuses a scheduled post because of a rate limit or an outage, PostMesh sends it again on its own, up to 3 times. Posts shows Retrying in 4 min (2/3) meanwhile, and the failure email waits for the last try. PostMesh never retries a post you sent straight from the composer, a failure you need to fix, or a send the network didn’t confirm, so nothing posts twice without you.
Common reasons
Very old posts saved without their account list can’t be retried. Copy the text into a new draft instead.