Re: detecting TLS issues in delivery - Cannot start TLS: handshake failure

2019-01-16 Thread Viktor Dukhovni
> On Jan 16, 2019, at 3:24 PM, Stefan Bauer wrote: > > "Some sites may blacklist you when you are probing them too often (a probe is > an SMTP session that does not deliver mail), or when you are probing them too > often for a non-existent address. This is one reason why you should use >

Re: detecting TLS issues in delivery - Cannot start TLS: handshake failure

2019-01-16 Thread Stefan Bauer
"Some sites may blacklist you when you are probing them too often (a probe is an SMTP session that does not deliver mail), or when you are probing them too often for a non-existent address. This is one reason why you should use sender address verification sparingly, if at all, when your site

Re: detecting TLS issues in delivery - Cannot start TLS: handshake failure

2019-01-16 Thread Viktor Dukhovni
> On Jan 16, 2019, at 9:56 AM, Wietse Venema wrote: > >> reject_unverified_recipient is no option as remote sites don't like >> probing/verify requests. After rechecking, i had a typo in my regex. > > reject_unverified RECIPIENT, not reject_unverified_SENDER Specifically, because it would be

Re: detecting TLS issues in delivery - Cannot start TLS: handshake failure

2019-01-16 Thread Wietse Venema
Stefan Bauer: > reject_unverified_recipient is no option as remote sites don't like > probing/verify requests. After rechecking, i had a typo in my regex. reject_unverified RECIPIENT, not reject_unverified_SENDER Wietse > Damn! It was working as documented. Sorry. > > > Am Mi., 16.

Re: detecting TLS issues in delivery - Cannot start TLS: handshake failure

2019-01-16 Thread Stefan Bauer
reject_unverified_recipient is no option as remote sites don't like probing/verify requests. After rechecking, i had a typo in my regex. Damn! It was working as documented. Sorry. Am Mi., 16. Jan. 2019 um 13:17 Uhr schrieb Wietse Venema < wie...@porcupine.org>: > Stefan Bauer: > > Hi, > > > >

Re: detecting TLS issues in delivery - Cannot start TLS: handshake failure

2019-01-16 Thread Wietse Venema
Stefan Bauer: > Hi, > > how can the following error be detected and an instant bounce/reject will > be send to the sender? > > -- 880 Kbytes in 3 Requests. > root@mx1:~# mailq > -Queue ID- --Size-- Arrival Time -Sender/Recipient--- > A97288008B 776694 Sun Jan 13 13:14:29

detecting TLS issues in delivery - Cannot start TLS: handshake failure

2019-01-16 Thread Stefan Bauer
Hi, how can the following error be detected and an instant bounce/reject will be send to the sender? -- 880 Kbytes in 3 Requests. root@mx1:~# mailq -Queue ID- --Size-- Arrival Time -Sender/Recipient--- A97288008B 776694 Sun Jan 13 13:14:29 sender@sender