I am not able to send the mail from aws.amazon SES since from Monday (30-10-2012) previously it is working fine suddenly it stopped working. I got following is the errors
A PHP Error was encountered
Severity: User Warning
Message: SimpleEmailService::getSendQuota(): Sender - RequestExpired: Request timestamp: Wed, 31 Oct 2012 11:50:32 UTC expired. It must be within 300 secs/ of server time. Request Id: e472fb5a-2351-11e2-8183-8138c6c456cf
Filename: libraries/ses.php
Line Number: 363
But this same code working with fine in another server What may be the issue Please help,I could not find solution for this.