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Questions tagged [smtp]

SMTP is the Simple Mail Transfer Protocol, the most recent standard of which is defined in RFC 5321. It's the Internet standard for sending and receiving email.

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1answer
240 views

Port 457 on SMTP server?

I hope this question is valid on here, if not I apologize. I have a VPS server setup with PowerMTA and InterSpire, I just purchased the server and then I had an "expert" setup the rest. The VPS has ...
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1answer
2k views

SMTP (postfix) and iPhone - can't send emails - reject: RCPT

I try to setup email server already 2 days, everything work flawless when i use roundcube on PC, I can send and receive emails, but problems start when I want to setup my email on iPhone. I can ...
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votes
1answer
108 views

How can I configure multi domain IMAPS POPS and SMTPs with single SSL Certificate

If I have 3 domains hosted on single linux based mail server that are domain1.com, domain2.com and domain3.com.and I have *.domain1.com signed ssl certificate. Is there way I can use the same single ...
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votes
1answer
3k views

How to configure exchange 2010 to be used as an external smtp relay? [closed]

I'm currently trying to configure our exchange 2010 to be used as a external smtp relay. What I'm trying to do is allow certain websites that we manage to send email using our exchange server smtp ...
-3
votes
1answer
39 views

Two servers mails [closed]

is that it is possible to have two mail servers in parallel, ie a primary through which mails are routed to the outside and a secondary for the exchange of mails locally. and the two servers are ...
-3
votes
1answer
49 views

how to run postfix by hand

I compiled postfix 2.9.5 with mysql backend.You know postfix daemons are ran with postfix, So i don't know main postfix daemon to run by hand. What's main daemon ?
-3
votes
1answer
511 views

Email header analysis

I have an email header which is showing the following information, which i believe is faked. The mail purports to be from a gmail account but I'm not sure if this is the case. Ordinarily you read the ...
-3
votes
1answer
760 views

There was error in sending mail <xyz@xxx.com> to <abc@gmail.com> unable to establish connection smtp server to<servername:port>

I am using active perl,xampp and bugzilla install on localhost. I have my own client mail server. My bugzilla mail setting- mail_delivery_method=smtp mailfrom=new@my-domain.com Servername=mail.my-...
-3
votes
2answers
564 views

Exchange server accepts email without authentication. Is this a misconfiguration?

I am a user on a network with an exchange server and there is an HP scanner/email machine that can send emails with scanned docs as an attachment from any email address without authentication so I ...
-3
votes
1answer
195 views

Configure Mail server on Mac Snow Leopard

I trying to configure Mail server on Mac and I almost did it... I can login. I can successfully send/receive emails to/from another emails withing the SAME domain. I can successfully send emails to ...
-3
votes
5answers
535 views

Can't telnet a server from vps

i try to understand why i can't telnet this server 213.132.48.107 from any of my VPSs. Well this ip is for a mail server i don't own but our emails are not received by this server. when i checked the ...
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votes
4answers
1k views

how to send a mail by telnetting through some SMTP server? [closed]

I wanted to send a mail by telnetting through smtp server "telnet smtp_Server 25" and want to send mail. How is it possible.. Also, please share something about CISCO products and what kind of ...
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votes
2answers
128 views

How to send massive mail in Window [closed]

I'm looking for a solution that can send massive mail in Windows. I'm not spaming. My company want to send mail to our user. I don't want to use third party smtp server(like google mail). Because it'...
-4
votes
2answers
66 views

Can I use SRV to receive mail on port 2525 ? How must I configure it in my DNS? [duplicate]

Is it possible to use a SRV rule on my DNS to receive mail on port 2525 instead of port 25 ? If it is possible how can I setup this rule correctly ?
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votes
2answers
494 views

Postfix SMTP server issue

So I have an Ubuntu Linux box machine for my website. (not ran locally at home, it is a public linux box). But for some strange reason I can only send Email from my home machine to this box in outlook....
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votes
1answer
3k views

How to setup SMTP server to allow mailing to any recipient? [closed]

I have a windows server, acting as a web server and mail server. For the mailserver I use hmailserver and works fine recieving emails but not so good sending emails because I cannot setup reverse DNS ...
-5
votes
2answers
1k views

Is it possible to use Gmail for transaction email? [closed]

We currently use Gmail for our support email. For transactional email (reset password, etc) we just use default Linux Postfix server on our Amazon Web Serivce EC2 instance. My question is would it ...
-5
votes
1answer
456 views

How to send 500 emails from a local pc? [closed]

I want to send an email to 500 recipients but I don't want to use any gmail, hotmail, yahoo etc. as they impose several restrictions. Someone told me to install a SMTP server on your local pc and an ...
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votes
1answer
4k views

Simple Linux SMTP Server [closed]

I need to provide 3 SMTP servers for clients to use for printers and scanners that require an SMTP server to send email out, they will be load balanced with DNS round robin. All I need it to do is ...
-5
votes
1answer
648 views

why does my gmail say “undisclosed recipients” in this case when I send email [closed]

I follow this method to send email through my localhost postfix server to gmail... http://workaround.org/ispmail/lenny/test-mail-through-telnet but for some reason, gmail, says "undisclosed ...
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votes
1answer
2k views

What is the proper time delay between sending emails for smtp to not fail on windows server 2008 r2 [closed]

What is the proper time delay between sending emails for SMTP to not fail on Windows Server 2008 R2 machines? For example, if I set a 500ms delay, would it successfully send all emails? My software ...
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votes
3answers
911 views

“Mail server” on small LAN network [closed]

What is the best way to go about the following issue? There are about 7 machines under Win XP Pro, each has its own email client (Outlook 2007) with own accounts (eg. gmail, yahoo etc.) I want to ...
-10
votes
3answers
675 views

Why doesn't “dig gmail.com mx” return the domain “smtp.gmail.com”? [closed]

dig gmail.com returns this: ;; ANSWER SECTION: gmail.com. ...