Thanks so much for the thread.

Suggestion: How about a 7.2.x on Ubuntu 10.04 to 8.0 on Unbuntu 12.04 migration report / guide?

Yup, that fixed it. So far working very well. Thanks.

Problem with 53.3 rev 147. No mail was actually sent even though iPhone apparently sent the message with that sound effect.

Also warning for zimbra.php about undefined variable rfc822 at line 7055.

If you look at my earlier post #843, I used a combination of Rel 53 files and most recent files from repository, plus some minor modification documented and linked in this thread. Working quite...

Upgraded to Z-push 2.0.1 and added the line as suggested to config.php. Error is gone and everything is working fine with iPhone running iOS 5.

I think I was having similar issues until I put in the mime.php and mimePart.php files from release 53.

I have put together a z-push 2.0 (released 2.0-1346) server from scratch under Ubuntu 10.04.4 using a hybrid of zimbra backend rel 53 files, with

zimbra.php rev134,
utils.php rev 119, and ...