Email requests setting doesn't accept hyphen(dash) '-' in email address for Cloud

Failed to establish connection to the Atlassian Cloud mail store

@4000000054b4daff1110a8f4 2015-01-13 08:44:37,278 TP-Processor27 ERROR sysadmin 524x10517x1 1jql9cz 211.25.19.194,165.254.226.177 /rest/servicedesk/1/servicedesk/SD/incomingemail/1 [internal.email.mailstore.SDMailStoreManagerImpl
] Failed to connect to mailstore
@4000000054b4daff1110b0c4 java.io.IOException: Unexpected status code from response
@4000000054b4daff1110b4ac       at com.atlassian.servicedesk.internal.email.mailstore.MailStoreHttpClientHelper.checkValidResponse(MailStoreHttpClientHelper.java:167)
@4000000054b4daff1110b4ac       at com.atlassian.servicedesk.internal.email.mailstore.MailStoreHttpClientHelper.requestToCreateMailbox(MailStoreHttpClientHelper.java:64)
@4000000054b4daff1110d7d4       at com.atlassian.servicedesk.internal.email.mailstore.ODMailStoreClient.createMailbox(ODMailStoreClient.java:51)
@4000000054b4daff1110dbbc       at com.atlassian.servicedesk.internal.email.mailstore.SDMailStoreManagerImpl.createMailbox(SDMailStoreManagerImpl.java:64)
@4000000054b4daff1110dbbc       at com.atlassian.servicedesk.internal.feature.emailchannel.ODEmailSettingManager.createODMailBox(ODEmailSettingManager.scala:58)
@4000000054b4daff1110e38c       at com.atlassian.servicedesk.internal.feature.emailchannel.EmailChannelManager$$anonfun$recreateODMailboxIfEmailChanged$1.apply(EmailChannelManager.scala:310)
@4000000054b4daff1110ef44       at com.atlassian.servicedesk.internal.feature.emailchannel.EmailChannelManager$$anonfun$recreateODMailboxIfEmailChanged$1.apply(EmailChannelManager.scala:309)
@4000000054b4daff1110f32c       at scalaz.$bslash$div$class.flatMap(Either.scala:117)
@4000000054b4daff1110f32c       at scalaz.$bslash$div$minus.flatMap(Either.scala:283)
@4000000054b4daff1110f714       at com.atlassian.servicedesk.internal.feature.emailchannel.EmailChannelManager.recreateODMailboxIfEmailChanged(EmailChannelManager.scala:309)
@4000000054b4daff1110fafc       at com.atlassian.servicedesk.internal.feature.emailchannel.EmailChannelManager.com$atlassian$servicedesk$internal$feature$emailchannel$EmailChannelManager$$updateEmailAddressAndRequestType(EmailCha
nnelManager.scala:368)
@4000000054b4daff1110fee4       at com.atlassian.servicedesk.internal.feature.emailchannel.EmailChannelManager$$anonfun$updateEmailChannelConfiguration$1$$anonfun$apply$12.apply(EmailChannelManager.scala:197)
@4000000054b4daff1111126c       at com.atlassian.servicedesk.internal.feature.emailchannel.EmailChannelManager$$anonfun$updateEmailChannelConfiguration$1$$anonfun$apply$12.apply(EmailChannelManager.scala:196)
@4000000054b4daff11111e24       at scalaz.$bslash$div$class.flatMap(Either.scala:117)
@4000000054b4daff11111e24       at scalaz.$bslash$div$minus.flatMap(Either.scala:283)