Reply or forward to a mail gets truncated from iPhone and iPad. e.g. john.doe@acme.com becomes john@acme.com

Error on device and mail
Item to user(s) at DeBruin was undeliverable, subject: Re: Attachments in GWweb
Item not delivered to user(s):

Email of user = annamarie.debruin@resbank.co.za


GroupWise 801hp1
NetWare 6.5sp8
Datasync server 1.0.3

Any ideas?