1 Jan
2010
1 Jan
'10
12:20 p.m.
On Sat, 2010-01-02 at 19:45 +1300, Michael wrote:
A client is complaining that a user at Xtra is not receiving email they sent. I sent a test email and viewed the MX logs and found the following:
It is yahoo.com doing its greylisting.. pretty standard at times for yahoo. A 421 message is not a permanent failure and mail servers should try again and it will be accepted. Is your mail server not trying again later? Thanks