On 02/11/2018 19:23, David E. Ross wrote:
On 11/2/2018 11:11 AM, Alex Beauroy wrote:
is anyone performing mail successfully sent, with a copy in the sent
folder and never received for the recipient!!!
It happened 10 times during the last 24 hours!!!!
Should I quit SeaMonkey and rely on Thunderbird now???
Best Regards
@lex
Such a problem is not always within your own system. Among other causes:
* The recipient's mail host might block the message because the
recipients inbox is full, because your ISP was (erroniously?) identified
as a source of spam, or because a possibly innocent attachment to your
message violates some policy. I have seen this happen. Worse, I have
seen this happen when the recipient's mail host is not configured to
issue a bounce message.
* Your own ISP's mail server blocked the message because of an
attachment that is a file-type it does not allow. I once used an ISP
that would not allow me to send an application (file-type .exe) as an
attachment. It also prevented me from sending ZIP files. Both of these
were considered sources of malware. Again, I got no response message
that my E-mail did not go through. (In the case of an application, I
would zip it; for that and other ZIP attachments, I would then remove
the file-extension, My E-mail would instruct the recipient to restore
the .zip extension and then unzip it.)
Thanks a lot for your quick answer!! I have a lot of doubts regarding my
ISP, who doesn't take car of the land lines network, as I'm living in
the country side. But I'll have to check everything and just try again.
Anyway I'll get everyone informed of what is going on in this thread!!!
Thanks a lot for your assistance
@lex
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