Morning all

Last week, I found I was unable to send to a Verizon customer. I
was getting "550 You are not allowed to send mail:sv5pub.verizon.net"
I submitted our mail server IP address to see if we were
blacklised and got a reply back that we were not.
I then switched to using a Charter SMPT server and got a similar response.
I next tried using remote access, web mail on the our Imail
server so there would be no record of a dynamic IP address in the header,
and sent another message.
It timed out this morning with "421 SMTP service not available,
closing transmission channel" and terminating after the Imail max tries
timed out.

Does anyone have any thoughts, as we speak, none of our customers
are now able to email anyone at Verizon.

Thanks for any help.

John

Ive gotten the following from various attempts to send mail

550 You are not allowed to send mail:sv5pub.verizon.net
550 You are not allowed to send mail:sv15pub.verizon.net
550 You are not allowed to send mail:sv22pub.verizon.net
550 You are not allowed to send mail:sv28pub.verizon.net    log entry shown
below
550 You are not allowed to send mail:sv1pub.verizon.net
550 You are not allowed to send mail:sv27pub.verizon.net
550 You are not allowed to send mail:sv3pub.verizon.net

here is a typical Imail log

999.999.999.999 is our imail server
555.555.555.555 is my Charter Dynamic IP address at my home.

07:04 17:55 SMTPD(0df501890000eaa5) [999.999.999.999] connect
555.555.555.555 port 10863
07:04 17:55 SMTPD(0df501890000eaa5) [555.555.555.555] EHLO Johnsm480n
07:04 17:55 SMTPD(0df501890000eaa5) Authenticated
[EMAIL PROTECTED], session treated as local.
07:04 17:55 SMTPD(0df501890000eaa5) [555.555.555.555] MAIL FROM:
<[EMAIL PROTECTED]>
07:04 17:55 SMTPD(0df501890000eaa5) [555.555.555.555] RCPT TO:
<[EMAIL PROTECTED]>
07:04 17:55 SMTPD(0df501890000eaa5) [555.555.555.555]
D:\IMail\spool\D0df501890000eaa5.SMD 4082
07:04 17:55 SMTP-(0df501890000eaa5) processing
D:\IMail\spool\q0df501890000eaa5.smd
07:04 17:55 SMTP-(0df501890000eaa5) Trying verizon.net (0)
07:04 17:55 SMTP-(0df501890000eaa5) Connect verizon.net [206.46.232.11:25]
(1)
07:04 17:55 SMTP-(0df501890000eaa5) 220 sv15pub.verizon.net MailPass SMTP
server v1.2.0 - 112105154401JY+PrW ready Tue, 4 Jul 2006 19:58:31 -0500
07:04 17:55 SMTP-(0df501890000eaa5) >EHLO mail.web-partners.com
07:04 17:55 SMTP-(0df501890000eaa5) 250-Requested mail action okay,
completed
07:04 17:55 SMTP-(0df501890000eaa5) 250-8BITMIME
07:04 17:55 SMTP-(0df501890000eaa5) 250 SIZE 20480000
07:04 17:55 SMTP-(0df501890000eaa5) >MAIL FROM:<[EMAIL PROTECTED]>
07:04 17:55 SMTP-(0df501890000eaa5) 550 You are not allowed to send
mail:sv15pub.verizon.net
07:04 17:55 SMTP-(0df501890000eaa5) ERR undeliverable 550 You are not
allowed to send mail:sv15pub.verizon.net
07:04 17:55 SMTP-(0df501890000eaa5) SMTP_DELIV_FAILED
07:04 17:55 SMTP-(0df501890000eaa5) >QUIT
07:04 17:55 SMTP-(0df501890000eaa5) 221 sv15pub.verizon.net closing
connection
07:04 17:55 SMTP-(0df501890000eaa5) Creating message from Postmaster
07:04 17:55 SMTP-(0df501890000eaa5) Delivery process now using new file:
0df9000004484f09
07:04 17:55 SMTP-(0df501890000eaa5) finished
D:\IMail\spool\q0df501890000eaa5.smd status=2
>
>Morning all
>
>Last week, I found I was unable to send to a Verizon customer. I
>was getting "550 You are not allowed to send
>mail:sv5pub.verizon.net"
>I submitted our mail server IP address to see if we were
>blacklised and got a reply back that we were not.
>I then switched to using a Charter SMPT server and got a similar
>response.
>I next tried using remote access, web mail on the our Imail
>server so there would be no record of a dynamic IP address in the
>header and sent another message.
>It timed out this morning with "421 SMTP service not available,
>closing transmission channel" and terminating after the Imail max
>tries timed out.
>
>Does anyone have any thoughts, as we speak, none of our customers
>are now able to email anyone at Verizon.
>
>Thanks for any help.
>
>John



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