6.0.0-alpha10
5/14/25

[#15151] Some Emails could not be answered via EAS from IOS Mailapp
Summary Some Emails could not be answered via EAS from IOS Mailapp
Queue Synchronization
Queue Version Git master
Type Bug
State Assigned
Priority 1. Low
Owners mrubinsk (at) horde (dot) org
Requester Klaus.Steinberger (at) lmu (dot) de
Created 09/25/2023 (597 days ago)
Due
Updated 10/18/2023 (574 days ago)
Assigned 10/18/2023 (574 days ago)
Resolved
Milestone
Patch No

History
10/18/2023 06:34:00 PM Michael Rubinsky Assigned to Michael Rubinsky
 
10/18/2023 06:33:52 PM Michael Rubinsky Version ⇒ Git master
Queue ⇒ Synchronization
State ⇒ Assigned
Priority ⇒ 1. Low
 
09/25/2023 08:13:27 AM Klaus (dot) Steinberger (at) lmu (dot) de Comment #1
Priority ⇒ 2. Medium
Patch ⇒ No
Milestone ⇒
Queue ⇒ IMP
Summary ⇒ Some Emails could not be answered via EAS from IOS Mailapp
Type ⇒ Bug
State ⇒ Unconfirmed
Reply to this comment
In some case Emails coming for a Exchange Server could not be 
answered. The reason is probably a different way how IOS Mail App uses 
the display part of Email adresses with UTF8 characters.

In such a case horde seems to cut off part of the Email adress so it 
is not deliverable.

Sep 22 15:19:26 mail postfix/smtpd[13397]: NOQUEUE: reject: RCPT from 
dmz-sv-webmail.physik.uni-muenchen.de[2001:4ca0:4102:0:192:54:42:223]: 
450 4.7.1 <=?utf-8?Q?"=C3=87oban>: Recipient address rejected: Access 
denied; from=<robert.redl@physik.uni-muenchen.de
to=<=?utf-8?Q?"=C3=87oban> proto=ESMTP 
helo=<dmz-sv-webmail.physik.uni-muenchen.de>

The Real Adress of the Recipient is "Çoban, Atakan" <Atakan.Coban@lmu.de>

so the EAS code in webmail probably bugs out on "=?utf-8?Q?"=C3=87"

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