Questions tagged [smtp]

Simple Mail Transfer Protocol - an Internet standard for electronic mail (e-mail) transmission across Internet Protocol (IP) networks.

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SMTP with app-passowrd of O365 does not work

I have an email address in Office 365 which I would like to use for a scanner's SMTP feature. For this email address, I have enforced MFA to be able to set an app-password. I give the following ...
2 votes
0 answers
788 views

Gmail 'send mail as' setup always fails using an alias from a "separate" Gmail account [duplicate]

I have a Google Workspace account with a single email address: [email protected]. I enabled POP access in the Workspace account, and also configured an "alternate email" (alias): alternate@...
2 votes
0 answers
106 views

Yahoo! Spam filter does not work

I believe the Yahoo! spam filter does not work. I handle multiple Yahoo! accounts via IMAP / SMTP. When I receive an email that should go to Inbox and goes to Spam, I move it from Spam to Inbox (via ...
0 votes
0 answers
94 views

My university email uses Outlook (Office365) and has Two-Factor Authentication, and I want to use Gmail interface via SMTP. How do enable this?

I used to be able to use my Outlook (Office 365) email on Gmail by doing the simple SMTP settings, like the one illustrated here. However, my university recently had Two-Factor Authentication, so the ...
4 votes
4 answers
25k views

Avoid UTF8 option is gone from Gmail

I recently tried to send an email to a colleague, and received the following error: local-part of envelope RCPT address contains utf8 but the remote server did not offer SMTPUTF8 Many posts ...
1 vote
2 answers
2k views

Gmail assigning Message-IDs with two different domains

I am trying to troubleshoot a mail delivery issue that seems to be related to message IDs for messages purportedly sent from a single Gmail address, to a domain whose mail is handled by G-Suite. Some ...
1 vote
0 answers
43 views

What SMTP headers are inserted by Gmail or other service providers, when they forward an email?

Suppose, I have set auto-forward emails in my Gmail or other service providers to some other email ID. What kind of SMTP headers are inserted in that email so that the receiver SMTP server of those ...
0 votes
0 answers
77 views

Can I use an SMTP server behind a firewall when using Gmail?

I use a certain email address with Gmail, and I would like to use for it a different SMTP server than the normal one (it is an alias). The SMTP server is behind a firewall, is it still possible to use ...
8 votes
1 answer
4k views

Gmail keeps turning off 'Less secure app access' feature

When attempting to send an email (using Gmail SMTP) from my web application I get error message about failed authentication. This is a result of 'Less secure app access' feature being turned off in ...
5 votes
1 answer
6k views

Why is SendGrid limiting my account to 100 emails per month instead of 100 emails per day?

SendGrid advertises that their free plan offers 100 emails per day. After a few days of use, I noticed that my emails were no longer being sent out. I checked my account and it was showing this ...
0 votes
1 answer
345 views

What are the SMTP and POP settings for yahoo mail to use in outlook (in 2020)?

I have set up hundreds of email accounts in my life and do not understand what is going on with yahoo mail. So first question - is yahoo free email still allowing the use of POP/SMTP services? My ...
0 votes
2 answers
1k views

My legacy G-Suite email address stopped receiving all email

I set up a G Suite account for an organization's domain that I owned back when that was a free service. I'm effectively grandfathered in now for life; now Google refers to it as a "legacy G Suite ...
4 votes
1 answer
2k views

How to send emails from my Gmail account through another mail service?

I want to send an email from my Gmail under another mail address. (In this case, I want to use the mail service that I have at www.123-reg.co.uk) Here what I've tried so far: I clicked "Add another ...
4 votes
2 answers
2k views

Setting up "Send As" on Gmail to an outlook account gets "Missed upload deadline" error

I was trying to set up "Send As" on gmail for my school account and even though I was certainly using the instructions on outlook, and the correct password and username I was getting "Missed upload ...
2 votes
1 answer
623 views

How to avoid Google Mail SMTP lock while traveling?

I know there are lots of articles about this problem, but I still can't find a nice way to fix that. My boss is traveling a lot, and because of constant change of place her Google account is blocked. ...
2 votes
0 answers
2k views

Office365 SMTP access is very slow

I've been given an Office365 account for work, and I'm try to set it up with an SMTP client (to be specific, msmtp, for use with Mutt). Though the SMTP transfer takes place OK, it takes a long time (>...
0 votes
1 answer
443 views

Is it possible to limit outgoing emails to one domain?

A customer of mine has asked if we can set-up their email software at each shop, so that it can only send emails to one domain name. They are currently using Google Apps with Mozilla Thunderbird 3 ...
9 votes
1 answer
3k views

Why does Gmail no longer offer the 'Send through Gmail option' for aliases? [duplicate]

In the past, I could add any email address that I own via Settings → Accounts → Add another email address you own. I document this on my blog. On that wzard, there were 2 options: But now ...
0 votes
1 answer
593 views

Why can I send e-mails with Amazon SES only to verified e-mail addresses [closed]

I verified a domain and a single e-mail address on that domain in Amazon SES. When using the "Send test email" function or trying to send e-mails via SMTP I can only send mails TO that one verified e-...
0 votes
0 answers
260 views

Using my domain with SMTP and Gmail = not receiving customer replies

I need to be able to send and receive mails using [email protected] I want to manage my mails using Gmail by logging into [email protected] However, to prevent my original mail being displayed ("email ...
7 votes
4 answers
1k views

How can I reliably deliver email to Hotmail users?

One of my customers (annoyingly) uses Hotmail for his primary email address. A lot of the time, my emails to him get returned undeliverable due to an over-zealous spam filter. My email is from my ...
3 votes
1 answer
541 views

Email Bounced Outlook.com - SMTP error - Can't Add Send As Email

I'm getting the following error when sending any email: host se002.arandomserver.com [208.43.240.3] SMTP error from remote mail server after end of data: 550 Messages should have one or no Date ...
3 votes
0 answers
116 views

Need a workaround for sending email in Gmail via Microsoft email address

I have has this issue for a while and its starting to cause problems so I need a workaround. The problem is I use Gmail to send emails using my MSN account. When I send the email to multiple ...
7 votes
1 answer
2k views

Replying from Gmail with custom POP3 settings and auto selecting the associated custom SMTP settings [duplicate]

I set up Gmail to add a POP3 and SMTP server for sending mail. Whenever I get mail to that new address though, and I press on reply it still tries to reply by default by using my @gmail.com address. ...
15 votes
2 answers
3k views

Send mail from a Gmail catch all address

I just recently set up Google Apps (Standard) on my domain, and I have a catch-all e-mail address on it that I pull e-mail from locally, so I can easily receive e-mail to [email protected]. Now I ...
5 votes
1 answer
705 views

Is it possible to utilize the "Send mail as" Gmail feature from SMTP?

I use Mail for Mac OSX Snow Leopard. I have my Gmail linked to non-Gmail email accounts so that I can send mail as them. Is there a way to use this feature without the web interface (SMTP)?
2 votes
2 answers
721 views

No web host, only a domain name: Can I use it to send email with Gmail?

I own a domain name, let's say domain.com. Is there a way to send and receive email using Gmail's "Send mail as" function? For example, set up an alias n[email protected]? Forgive my ignorance, as I'm a ...
1 vote
1 answer
571 views

How to find my Gmail SMTP Server

I want to activate Blat, but I don't know my SMTP Server which is needed. Is there a way using the command line, or in Gmail itself to find it?
6 votes
2 answers
16k views

Gmail "Send Mail As" from a Google Apps account, using an alias

I have two Google mail accounts: my main account ([email protected]) and a Google Apps account ([email protected]). I would like to use my primary gmail.com address to sign in and receive all mail, ...
0 votes
1 answer
608 views

Cannot stop importing into Gmail from Outlook.com

Problem: I get duplicate emails. I have set up import email from Gmail to Outlook.com as well as Outlook.com to Gmail. Thus, I get double the emails in Outlook.com. I want to stop this. What I want: ...
2 votes
1 answer
669 views

How to send mail on behalf of Google apps address with Gmail?

Context I got a Google apps for my-google-apps.com and what to be able to send mail on behalf of this domain through my Gmail address that I use as primary address. Settings Send mail as: Coding ...
1 vote
1 answer
1k views

Gmail "send mail as" not working. No error messages

I'm an employee at a university. I've been having my emails automatically forwarded to my Gmail account. I've also been using Gmail's smtp server for over 4 years to "send mails as" my university ...
2 votes
1 answer
610 views

Mailing from [email protected] using Gmail, but I don't have SMTP

I own several domains where I don't have separate mailboxes or mail user accounts. To receive mail, I've just setup a catch-all for such a domain that redirects to a generic address elsewhere. Now, I ...
36 votes
8 answers
31k views

How to use Gmail's "Send Mail As" with another Gmail account through SMTP without "On Behalf Of"?

Related to this question, I want to remove the "On Behalf Of" when I send an email from another Gmail account via the web ui. So, as of now, my email is being shown as From [email protected] on behalf ...
3 votes
0 answers
131 views

Creating an alias for Gmail, only shown SMTP option

I am trying to create a new Gmail alias so that my sending email goes with the email identity I am trying to use. In the past, I could go to Setting -> Alias, and just verify that I own the domain ...
1 vote
1 answer
2k views

SMTP Settings for Gmail in DokuWiki?

I'm trying to setup a dokuwiki in Vagrant for demonstration purposes, and I'd like the people testing it out to be able to register and receive a verification email. I've installed the dokuwiki-...
2 votes
1 answer
2k views

Using Gmail to send email from another address without setting the SPF record

I would like to use Gmail to send email from another email address such as [email protected] so that the email sender will appear as [email protected] when people receive my emails. I found the ...
3 votes
3 answers
23k views

Limitations on sending email through Gmail SMTP

I'm debugging a web application that is attempting to send email through Gmail and I'm getting rejections. It works for a while after logging in through the browser, then starts to fail again. What ...
1 vote
1 answer
1k views

How can I use a custom domain alias with Gmail?

It used to be possible to configure your Gmail inbox to send email as [email protected] by simply redirecting that email address to your inbox, and then sending through a confirmation email. But ...
7 votes
2 answers
1k views

Can GMail display error messages for SMTP failures?

For one of my configured email accounts in GMail I send mail using my university's SMTP sever. This works fine most of the time. When my university password expired GMail was no longer able to send ...
29 votes
5 answers
55k views

Gmail rejects SMTP password with 2-factor authentication

I am using the Mail app on Mac OS X to access my Gmail account using 2-factor authentication. The app is configured with an application-specific password and it works fine for a few days: email can be ...
1 vote
1 answer
3k views

Spoof sender through Gmail SMTP in Thunderbird

Gmail allows its users to send emails as though from another email address, as long as that address has been verified. Is doing so possible through Thunderbird and the Gmail SMTP servers?
7 votes
1 answer
626 views

Send email to a certain person from a certain address with Gmail

I have both the default Gmail SMTP and my company's SMTP configured in Gmail. My company has asked that I always send emails to them using their SMTP and from address. But for general communication ...
1 vote
2 answers
929 views

Can you keep separate Sent folders in Gmail for each of your custom SMTP servers?

Is there a way to keep separate Sent folders in Gmail for each of your custom SMTP servers? I already use labels to differentiate them by the way, but 2 Sent Mail folders would be ideal.