I've seen others reporting this elsewhere too, so it's clearly a problem at Yahoo's end. Someone on the mailops list reported that disabling TLS for yahoodns.nethosts fixed the problem so it may be worth trying that. Scott On Sat, Jan 4, 2014 at 9:28 AM, Adrian Minta <adrian.minta@gmail.com> wrote:
I'm seeing the same thing:
Jan 4 19:13:20 mail2 postfix/error[21241]: 8C9BD1F20045: relay=none, delay=30958, delays=30835/121/0/2.1, dsn=4.4.2, status=deferred (delivery temporarily suspended: lost connection with mta5.am0.yahoodns.net[98.136.217.202] while sending end of data -- message may be sent more than once) Jan 4 19:19:44 mail2 postfix/smtp[21813]: 3993E1F20045: relay= mta7.am0.yahoodns.net[66.196.118.33]:25, delay=98, delays=0.58/0.03/46/51, dsn=4.4.2, status=deferred (lost connection with mta7.am0.yahoodns.net[66.196.118.33] while sending end of data -- message may be sent more than once) Jan 4 19:19:44 mail2 postfix/smtp[21813]: 3993E1F20045: relay= mta7.am0.yahoodns.net[66.196.118.33]:25, delay=98, delays=0.58/0.03/46/51, dsn=4.4.2, status=deferred (lost connection with mta7.am0.yahoodns.net[66.196.118.33] while sending end of data -- message may be sent more than once)
-- Best regards, Adrian Minta