[Mailman-Users] sender bounce line?

Larry Rosenman ler at lerctr.org
Mon Mar 7 20:11:32 CET 2005

On Monday 07 March 2005 12:41 pm, dave at umiacs.umd.edu wrote:

> Yes, indicating some MM header is the problem but I have no other
> info and I can't get anything useful out of telnetting to port 25
> and writing raw smtp commands so I'm gonna punt. It's gotta be the
> remote end of which I have no control so I sent the problem description
> to postmaster at sucky.verizon.net as well as the DNS email for verizon's SOA.

Verizon has a known busted callout mechanism.

I had to:
1) turn off SMTP sync for them
2) turn down the IDENT (port 113) timeout from 30secs.

see the threads on:

and my blog:


Larry Rosenman                     http://www.lerctr.org/~ler
Phone: +1 214-351-4152                 E-Mail: ler at lerctr.org
US Mail: 3535 Gaspar Drive, Dallas, TX 75220-3611

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