Site: AT&TSame error for all of our email accounts;Authentication error. Server returned error "[SYS/TEMP] Service is not available; please try again later. (#MBR1236)" Add new comment Your name * E-mail * The content of this field is kept private and will not be shown publicly. Comment * Notify me when new comments are posted syjcq5 Enter the code above * Enter the code without spaces. Leave this field blank
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