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Author Apostrophe in Display Name causes SMTP 451
K Leonard

2002-10-05, 8:20 pm

Server: Win2K SP2, EX2000 SP1

I have a user whose surname contains an apostrophe as in O'Brien. The
users's display name contains the apostrophe (not the email address) and
I've some messages bounce with no message tracking or event log entries.
However, the sender's mail server reports the following:

SMTP Error: 6 Unexpected (or none) response from the SMTP server after RCPT
TO: command. 451 Cannot check <user's email address> at this time - please
try later.

Has anyone seen this type of problem before? I found a couple of KB articles
referencing quotation marks/apostrophe in the display name causing issues
with OWA and Schedule.

For now, I have removed the apostrophe from the display name but I would
like confirmation that it caused the problem.

Many Thanks,

K. Leonard


Ed Crowley [MVP]

2002-10-05, 8:21 pm

Sounds like a limitation on the recipient's e-mail system. You might
contact that system's Postmaster.
--
Ed Crowley
MVP - Exchange
Compaq Computer, part of the New HP
"Protecting the world from PSTs and brick backups!"
"K Leonard" <leonard_kathy@hotmail.com> wrote in message
news:#O6bK$dVCHA.2016@tkmsftngp09...
> Server: Win2K SP2, EX2000 SP1
>
> I have a user whose surname contains an apostrophe as in O'Brien. The
> users's display name contains the apostrophe (not the email address) and
> I've some messages bounce with no message tracking or event log entries.
> However, the sender's mail server reports the following:
>
> SMTP Error: 6 Unexpected (or none) response from the SMTP server after

RCPT
> TO: command. 451 Cannot check <user's email address> at this time - please
> try later.
>
> Has anyone seen this type of problem before? I found a couple of KB

articles
> referencing quotation marks/apostrophe in the display name causing issues
> with OWA and Schedule.
>
> For now, I have removed the apostrophe from the display name but I would
> like confirmation that it caused the problem.
>
> Many Thanks,
>
> K. Leonard
>
>



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