Re: Occasional email rejections with no shown explanation

[Wietse Venema]

Eric Cunningham:
> Apr 12 13:15:10 postal2 postfix/smtpd[22543]: NOQUEUE: reject: RCPT from 
> hsarelay1t.mail.mylife.com[216.52.223.210]: 554 5.7.1 
> <myl...@mail.mylife.com>: Sender address rejected: Access denied; 
> from=<myl...@mail.mylife.com> to=<e...@whoi.edu> proto=ESMTP 
> helo=<hsarelay1t.mail.mylife.com>

> The recipient address is legit and working for other senders.  

You are rejecting the SENDER ADDRESS.

        Wietse